diff --git a/addons/mrp/report/mrp_report_mo_overview.py b/addons/mrp/report/mrp_report_mo_overview.py
index f58d1762875..3c2cee7a39c 100644
--- a/addons/mrp/report/mrp_report_mo_overview.py
+++ b/addons/mrp/report/mrp_report_mo_overview.py
@@ -54,12 +54,16 @@ class ReportMoOverview(models.AbstractModel):
         production = self.env['mrp.production'].browse(production_id)
         components = self._get_components_data(production, level=1, current_index='')
         operations = self._get_operations_data(production, level=1, current_index='')
-        summary = self._get_mo_summary(production, components, operations)
+        initial_mo_cost = sum(component.get('summary', {}).get('mo_cost', 0.0) for component in components)\
+            + operations.get('summary', {}).get('mo_cost', 0.0)
+        byproducts_cost_portion, byproducts = self._get_byproducts_data(production, initial_mo_cost, level=1, current_index='')
+        summary = self._get_mo_summary(production, components, initial_mo_cost, byproducts_cost_portion)
         return {
             'id': production.id,
             'summary': summary,
             'components': components,
             'operations': operations,
+            'byproducts': byproducts,
             'extras': self._get_report_extra_lines(summary),
         }
 
@@ -73,10 +77,10 @@ class ReportMoOverview(models.AbstractModel):
             'unit_product_cost': unit_product_cost,
         }
 
-    def _get_mo_summary(self, production, components, operations):
+    def _get_mo_summary(self, production, components, current_mo_cost, byproducts_cost_portion):
         product = production.product_id
         company = production.company_id or self.env.company
-        mo_cost = sum(component.get('summary', {}).get('mo_cost', 0.0) for component in components)
+        byproducts_cost_share = float_round(1 - byproducts_cost_portion, precision_rounding=0.0001)
         return {
             'level': 0,
             'model': production._name,
@@ -93,7 +97,7 @@ class ReportMoOverview(models.AbstractModel):
             'quantity_on_hand': product.uom_id._compute_quantity(product.qty_available, production.product_uom_id) if product.type == 'product' else False,
             'quantity_reserved': 0.0,
             'receipt': self._check_planned_start(production.date_deadline, self._get_replenishment_receipt(production, components)),
-            'mo_cost': company.currency_id.round(mo_cost + operations.get('summary', {}).get('mo_cost', 0.0)),
+            'mo_cost': company.currency_id.round(current_mo_cost * byproducts_cost_share),
             'product_cost': company.currency_id.round(product.standard_price * production.product_uom_qty),
             'currency_id': company.currency_id.id,
             'currency': company.currency_id,
@@ -187,6 +191,48 @@ class ReportMoOverview(models.AbstractModel):
             'details': operations,
         }
 
+    def _get_byproducts_data(self, production, current_mo_cost, level=0, current_index=False):
+        currency = (production.company_id or self.env.company).currency_id
+        byproducts = []
+        byproducts_cost_portion = 0
+        total_mo_cost = 0
+        total_product_cost = 0
+        for index, move_bp in enumerate(production.move_byproduct_ids):
+            product = move_bp.product_id
+            cost_share = move_bp.cost_share / 100
+            byproducts_cost_portion += cost_share
+            mo_cost = current_mo_cost * cost_share
+            product_cost = product.standard_price * move_bp.product_uom._compute_quantity(move_bp.product_uom_qty, product.uom_id)
+            total_mo_cost += mo_cost
+            total_product_cost += product_cost
+            byproducts.append({
+                'level': level,
+                'index': f"{current_index}B{index}",
+                'model': product._name,
+                'id': product.id,
+                'name': product.display_name,
+                'quantity': move_bp.product_uom_qty,
+                'uom_name': move_bp.product_uom.display_name,
+                'uom_precision': self._get_uom_precision(move_bp.product_uom.rounding),
+                'mo_cost': currency.round(mo_cost),
+                'mo_cost_decorator': self._get_comparison_decorator(product_cost, mo_cost, currency.rounding),
+                'product_cost': currency.round(product_cost),
+                'currency_id': currency.id,
+                'currency': currency,
+            })
+
+        return byproducts_cost_portion, {
+            'summary': {
+                'index': f"{current_index}B",
+                'mo_cost': currency.round(total_mo_cost),
+                'mo_cost_decorator': self._get_comparison_decorator(total_product_cost, total_mo_cost, currency.rounding),
+                'product_cost': currency.round(total_product_cost),
+                'currency_id': currency.id,
+                'currency': currency,
+            },
+            'details': byproducts,
+        }
+
     def _get_components_data(self, production, replenish_data=False, level=0, current_index=False):
         if not replenish_data:
             replenish_data = {
@@ -315,7 +361,13 @@ class ReportMoOverview(models.AbstractModel):
             if doc_in._name == 'mrp.production':
                 replenishment['components'] = self._get_components_data(doc_in, replenish_data, level + 2, replenishment_index)
                 replenishment['operations'] = self._get_operations_data(doc_in, level + 2, replenishment_index)
-                replenishment['summary']['mo_cost'] = currency.round(sum(component.get('summary', {}).get('mo_cost', 0.0) for component in replenishment['components']) + replenishment['operations'].get('summary', {}).get('mo_cost', 0.0))
+                initial_mo_cost = sum(component.get('summary', {}).get('mo_cost', 0.0) for component in replenishment['components'])\
+                    + replenishment['operations'].get('summary', {}).get('mo_cost', 0.0)
+
+                byproducts_cost_portion, byproducts = self._get_byproducts_data(doc_in, initial_mo_cost, level + 2, replenishment_index)
+                byproducts_cost_share = float_round(1 - byproducts_cost_portion, precision_rounding=0.0001)
+                replenishment['byproducts'] = byproducts
+                replenishment['summary']['mo_cost'] = initial_mo_cost * byproducts_cost_share
             replenishment['summary']['receipt'] = self._check_planned_start(production.date_start, self._get_replenishment_receipt(doc_in, replenishment.get('components', [])))
             replenishments.append(replenishment)
             forecast_line['already_used'] = True
diff --git a/addons/mrp/report/mrp_report_mo_overview.xml b/addons/mrp/report/mrp_report_mo_overview.xml
index 4341b2320c1..db83e321388 100644
--- a/addons/mrp/report/mrp_report_mo_overview.xml
+++ b/addons/mrp/report/mrp_report_mo_overview.xml
@@ -35,6 +35,7 @@
                     <t t-call="mrp.mo_overview_components">
                         <t t-set="components" t-value="data['components']"/>
                         <t t-set="operations" t-value="data['operations']"/>
+                        <t t-set="byproducts" t-value="data['byproducts']"/>
                     </t>
                 </tbody>
                 <tfoot>
@@ -99,6 +100,7 @@
                     <t t-call="mrp.mo_overview_components">
                         <t t-set="components" t-value="replenishment.get('components', [])"/>
                         <t t-set="operations" t-value="replenishment.get('operations', {})"/>
+                        <t t-set="byproducts" t-value="replenishment.get('byproducts', {})"/>
                     </t>
                 </t>
             </t>
@@ -107,6 +109,10 @@
             <t t-set="summary" t-value="operations.get('summary', {})"/>
             <t t-set="operations" t-value="operations.get('details', [])"/>
         </t>
+        <t t-call="mrp.mo_overview_byproducts">
+            <t t-set="summary" t-value="byproducts.get('summary', {})"/>
+            <t t-set="byproducts" t-value="byproducts.get('details', [])"/>
+        </t>
     </template>
 
     <template id="mo_overview_operations">
@@ -137,4 +143,32 @@
             </t>
         </t>
     </template>
+
+    <template id="mo_overview_byproducts">
+        <t t-if="byproducts">
+            <tr>
+                <td class="text-start">
+                    <span t-attf-style="margin-left: {{ (byproducts[0]['level'] - 1 if len(byproducts) else 0) * 20 }}px"/>
+                    By-Products
+                </td>
+                <td t-if="data['show_replenishments']" class="text-center"/>
+                <td class="text-end"/>
+                <td t-if="data['show_uom']" class="text-start"/>
+                <td t-if="data['show_availabilities']" class="text-end"/>
+                <td t-if="data['show_availabilities']" class="text-end"/>
+                <td t-if="data['show_receipts']" class="text-end"/>
+                <td t-if="data['show_mo_costs']" t-attf-class="text-end {{ 'text-' + summary['mo_cost_decorator'] if summary.get('mo_cost_decorator') else '' }}">
+                    <t t-out="summary['mo_cost']" t-options="{'widget': 'monetary', 'display_currency': summary['currency']}"/>
+                </td>
+                <td t-if="data['show_product_costs']" class="text-end">
+                    <t t-out="summary['product_cost']" t-options="{'widget': 'monetary', 'display_currency': summary['currency']}"/>
+                </td>
+            </tr>
+        </t>
+        <t t-if="summary['index'] in data['unfolded_ids']" t-foreach="byproducts" t-as="byproduct">
+            <t t-call="mrp.mo_overview_line">
+                <t t-set="line" t-value="byproduct"/>
+            </t>
+        </t>
+    </template>
 </odoo>
diff --git a/addons/mrp/static/src/components/mo_overview/mrp_mo_overview.js b/addons/mrp/static/src/components/mo_overview/mrp_mo_overview.js
index ce66e70e6ad..1a25c3bd67a 100644
--- a/addons/mrp/static/src/components/mo_overview/mrp_mo_overview.js
+++ b/addons/mrp/static/src/components/mo_overview/mrp_mo_overview.js
@@ -50,10 +50,13 @@ export class MoOverview extends Component {
         }
         this.state.showOptions.uom = reportValues.context.show_uom;
         this.context = reportValues.context;
+        // Main MO's operations & byproducts are always unfolded by default.
         if (reportValues.data?.operations?.summary?.index) {
-            // Main MO's operations are always unfolded by default.
             this.unfoldedIds.add(reportValues.data.operations.summary.index);
         }
+        if (reportValues.data?.byproducts?.summary?.index) {
+            this.unfoldedIds.add(reportValues.data.byproducts.summary.index);
+        }
     }
 
     //---- Handlers ----
diff --git a/addons/mrp/static/src/components/mo_overview/mrp_mo_overview.xml b/addons/mrp/static/src/components/mo_overview/mrp_mo_overview.xml
index 53445e4c003..d74454b3ccd 100644
--- a/addons/mrp/static/src/components/mo_overview/mrp_mo_overview.xml
+++ b/addons/mrp/static/src/components/mo_overview/mrp_mo_overview.xml
@@ -34,6 +34,7 @@
                             <MoOverviewComponentsBlock
                                 components="state.data.components"
                                 operations="state.data.operations"
+                                byproducts="state.data.byproducts"
                                 showOptions="state.showOptions"/>
                         </tbody>
                         <tfoot>
diff --git a/addons/mrp/static/src/components/mo_overview_byproducts_block/mrp_mo_overview_byproducts_block.js b/addons/mrp/static/src/components/mo_overview_byproducts_block/mrp_mo_overview_byproducts_block.js
new file mode 100644
index 00000000000..773a18fe721
--- /dev/null
+++ b/addons/mrp/static/src/components/mo_overview_byproducts_block/mrp_mo_overview_byproducts_block.js
@@ -0,0 +1,31 @@
+/** @odoo-module **/
+
+import { MoOverviewOperationsBlock } from "../mo_overview_operations_block/mrp_mo_overview_operations_block";
+import { MoOverviewLine } from "../mo_overview_line/mrp_mo_overview_line";
+
+export class MoOverviewByproductsBlock extends MoOverviewOperationsBlock {
+    static template = "mrp.MoOverviewByproductsBlock";
+
+    //---- Getters ----
+
+    get hasByproducts() {
+        return this.props?.byproducts?.length > 0;
+    }
+
+    get level() {
+        return this.hasByproducts ? this.props.byproducts[0].level - 1 : 0;
+    }
+}
+
+MoOverviewByproductsBlock.components = {
+    MoOverviewLine,
+};
+MoOverviewByproductsBlock.props = {
+    // Keep all props except "operations"
+    ...(({ operations, ...props}) => props)(MoOverviewOperationsBlock.props),
+    byproducts: Array,
+};
+MoOverviewByproductsBlock.props.summary.shape = {
+    ...MoOverviewByproductsBlock.props.summary.shape,
+    product_cost: { type: Number, optional: true },
+};
diff --git a/addons/mrp/static/src/components/mo_overview_byproducts_block/mrp_mo_overview_byproducts_block.xml b/addons/mrp/static/src/components/mo_overview_byproducts_block/mrp_mo_overview_byproducts_block.xml
new file mode 100644
index 00000000000..16c95154d51
--- /dev/null
+++ b/addons/mrp/static/src/components/mo_overview_byproducts_block/mrp_mo_overview_byproducts_block.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates xml:space="preserve">
+
+    <t t-name="mrp.MoOverviewByproductsBlock" owl="1">
+        <t t-if="hasByproducts">
+            <tr>
+                <td class="text-start">
+                    <span t-attf-style="margin-left: {{ level * 20 }}px"/>
+                    <button t-on-click="toggleFolded" class="btn btn-light ps-0 py-0" t-attf-aria-label="{{ state.isFolded ? 'Unfold' : 'Fold' }}" t-attf-title="{{ state.isFolded ? 'Unfold' : 'Fold' }}">
+                        <i t-attf-class="fa fa-fw fa-caret-{{ state.isFolded ? 'right' : 'down' }}" role="img"/>
+                        By-Products
+                    </button>
+                </td>
+                <td class="text-center" t-if="props.showOptions.replenishments"/>
+                <td class="text-end"/>
+                <td class="text-start" t-if="props.showOptions.uom"/>
+                <td class="text-end" t-if="props.showOptions.availabilities"/>
+                <td class="text-end" t-if="props.showOptions.availabilities"/>
+                <td class="text-end" t-if="props.showOptions.receipts"/>
+                <td t-attf-class="text-end {{ getColorClass(props.summary.mo_cost_decorator) }}" t-if="props.showOptions.moCosts" t-out="formatMonetary(props.summary.mo_cost)"/>
+                <td class="text-end" t-if="props.showOptions.productCosts" t-out="formatMonetary(props.summary.product_cost)"/>
+            </tr>
+            <t t-if="!state.isFolded" t-foreach="props.byproducts" t-as="byproduct" t-key="byproduct.index">
+                <MoOverviewLine data="byproduct" showOptions="props.showOptions"/>
+            </t>
+        </t>
+    </t>
+
+</templates>
diff --git a/addons/mrp/static/src/components/mo_overview_components_block/mrp_mo_overview_components_block.js b/addons/mrp/static/src/components/mo_overview_components_block/mrp_mo_overview_components_block.js
index c5301c196c0..23bf639b512 100644
--- a/addons/mrp/static/src/components/mo_overview_components_block/mrp_mo_overview_components_block.js
+++ b/addons/mrp/static/src/components/mo_overview_components_block/mrp_mo_overview_components_block.js
@@ -4,6 +4,7 @@ import { Component, onWillUpdateProps, useState } from "@odoo/owl";
 import { useBus } from "@web/core/utils/hooks";
 import { MoOverviewLine } from "../mo_overview_line/mrp_mo_overview_line";
 import { MoOverviewOperationsBlock } from "../mo_overview_operations_block/mrp_mo_overview_operations_block";
+import { MoOverviewByproductsBlock } from "../mo_overview_byproducts_block/mrp_mo_overview_byproducts_block";
 
 export class MoOverviewComponentsBlock extends Component {
     static template = "mrp.MoOverviewComponentsBlock";
@@ -81,6 +82,7 @@ export class MoOverviewComponentsBlock extends Component {
 MoOverviewComponentsBlock.components = {
     MoOverviewLine,
     MoOverviewOperationsBlock,
+    MoOverviewByproductsBlock,
     MoOverviewComponentsBlock,
 };
 MoOverviewComponentsBlock.props = {
@@ -94,6 +96,14 @@ MoOverviewComponentsBlock.props = {
         },
         optional: true,
     },
+    byproducts: {
+        type: Object,
+        shape: {
+            summary: Object,
+            details: Array,
+        },
+        optional: true,
+    },
     showOptions: {
         type: Object,
         shape: {
diff --git a/addons/mrp/static/src/components/mo_overview_components_block/mrp_mo_overview_components_block.xml b/addons/mrp/static/src/components/mo_overview_components_block/mrp_mo_overview_components_block.xml
index e8ac1874861..b371dae2653 100644
--- a/addons/mrp/static/src/components/mo_overview_components_block/mrp_mo_overview_components_block.xml
+++ b/addons/mrp/static/src/components/mo_overview_components_block/mrp_mo_overview_components_block.xml
@@ -22,6 +22,7 @@
                         unfoldAll="state.unfoldAll"
                         components="replenishment.components"
                         operations="replenishment.operations"
+                        byproducts="replenishment.byproducts"
                         showOptions="props.showOptions"/>
                 </t>
             </t>
@@ -31,6 +32,11 @@
             summary="props.operations.summary"
             operations="props.operations.details"
             showOptions="props.showOptions"/>
+        <MoOverviewByproductsBlock
+            unfoldAll="state.unfoldAll"
+            summary="props.byproducts.summary"
+            byproducts="props.byproducts.details"
+            showOptions="props.showOptions"/>
     </t>
 
 </templates>