diff --git a/src/panels/config/voice-assistants/assist-pref.ts b/src/panels/config/voice-assistants/assist-pref.ts
index 4ce49e05b6..e39197669f 100644
--- a/src/panels/config/voice-assistants/assist-pref.ts
+++ b/src/panels/config/voice-assistants/assist-pref.ts
@@ -1,6 +1,7 @@
 import {
   mdiBug,
   mdiCommentProcessingOutline,
+  mdiContentDuplicate,
   mdiDotsVertical,
   mdiHelpCircle,
   mdiPlus,
@@ -189,6 +190,17 @@ export class AssistPref extends LitElement {
                     )}
                     <ha-svg-icon slot="graphic" .path=${mdiBug}></ha-svg-icon>
                   </ha-list-item>
+                  <ha-list-item
+                    graphic="icon"
+                    .id=${pipeline.id}
+                    @request-selected=${this._duplicatePipeline}
+                  >
+                    ${this.hass.localize("ui.common.duplicate")}
+                    <ha-svg-icon
+                      slot="graphic"
+                      .path=${mdiContentDuplicate}
+                    ></ha-svg-icon>
+                  </ha-list-item>
                   <ha-list-item
                     class="danger"
                     graphic="icon"
@@ -294,6 +306,30 @@ export class AssistPref extends LitElement {
     navigate(`/config/voice-assistants/debug/${id}`);
   }
 
+  private async _duplicatePipeline(ev: Event) {
+    const id = (ev.currentTarget as HTMLElement).id as string;
+    const pipeline = this._pipelines.find((res) => res.id === id);
+    if (!pipeline) {
+      showAlertDialog(this, {
+        text: this.hass.localize(
+          "ui.panel.config.voice_assistants.assistants.pipeline.duplicate.error_pipeline_not_found"
+        ),
+      });
+      return;
+    }
+
+    const { id: _id, ...pipelineWithoutId } = pipeline;
+    const newPipeline = {
+      ...pipelineWithoutId,
+      name: this.hass.localize(
+        "ui.panel.config.voice_assistants.assistants.pipeline.duplicate.name",
+        { name: pipeline.name }
+      ),
+    };
+
+    this._openDialog(newPipeline);
+  }
+
   private async _deletePipeline(ev) {
     const id = ev.currentTarget.id as string;
     if (this._preferred === id) {
@@ -337,7 +373,9 @@ export class AssistPref extends LitElement {
     this._openDialog();
   }
 
-  private async _openDialog(pipeline?: AssistPipeline): Promise<void> {
+  private async _openDialog(
+    pipeline?: AssistPipeline | Omit<AssistPipeline, "id">
+  ): Promise<void> {
     showVoiceAssistantPipelineDetailDialog(this, {
       cloudActiveSubscription:
         this.cloudStatus?.logged_in && this.cloudStatus.active_subscription,
@@ -346,16 +384,21 @@ export class AssistPref extends LitElement {
         const created = await createAssistPipeline(this.hass!, values);
         this._pipelines = this._pipelines!.concat(created);
       },
-      updatePipeline: async (values) => {
-        const updated = await updateAssistPipeline(
-          this.hass!,
-          pipeline!.id,
-          values
-        );
-        this._pipelines = this._pipelines!.map((res) =>
-          res === pipeline ? updated : res
-        );
-      },
+      ...(pipeline && "id" in pipeline
+        ? {
+            updatePipeline: async (values) => {
+              const updated = await updateAssistPipeline(
+                this.hass,
+                pipeline.id,
+                values
+              );
+              const pipelineToUpdate = pipeline as AssistPipeline;
+              this._pipelines = this._pipelines!.map((res) =>
+                res.id === pipelineToUpdate.id ? updated : res
+              );
+            },
+          }
+        : {}),
     });
   }
 
diff --git a/src/panels/config/voice-assistants/dialog-voice-assistant-pipeline-detail.ts b/src/panels/config/voice-assistants/dialog-voice-assistant-pipeline-detail.ts
index 5a65b3d96b..d044b45144 100644
--- a/src/panels/config/voice-assistants/dialog-voice-assistant-pipeline-detail.ts
+++ b/src/panels/config/voice-assistants/dialog-voice-assistant-pipeline-detail.ts
@@ -48,7 +48,11 @@ export class DialogVoiceAssistantPipelineDetail extends LitElement {
     this._error = undefined;
     this._cloudActive = this._params.cloudActiveSubscription;
 
-    if (this._params.pipeline) {
+    if (
+      this._params.pipeline &&
+      "id" in this._params.pipeline &&
+      this._params.pipeline.id
+    ) {
       this._data = { prefer_local_intents: false, ...this._params.pipeline };
 
       this._hideWakeWord =
@@ -79,11 +83,15 @@ export class DialogVoiceAssistantPipelineDetail extends LitElement {
       }
     }
     this._data = {
-      language: (
-        this.hass.config.language || this.hass.locale.language
-      ).substring(0, 2),
-      stt_engine: sstDefault,
-      tts_engine: ttsDefault,
+      ...(this._params.pipeline || {}),
+      language:
+        this._params.pipeline?.language ||
+        (this.hass.config.language || this.hass.locale.language).substring(
+          0,
+          2
+        ),
+      stt_engine: this._params.pipeline?.stt_engine || sstDefault,
+      tts_engine: this._params.pipeline?.tts_engine || ttsDefault,
     };
   }
 
@@ -112,11 +120,17 @@ export class DialogVoiceAssistantPipelineDetail extends LitElement {
       return nothing;
     }
 
-    const title = this._params.pipeline?.id
-      ? this._params.pipeline.name
-      : this.hass.localize(
-          "ui.panel.config.voice_assistants.assistants.pipeline.detail.add_assistant_title"
-        );
+    const isExistingPipeline =
+      this._params.pipeline &&
+      "id" in this._params.pipeline &&
+      !!this._params.pipeline.id;
+
+    const title =
+      isExistingPipeline && this._params.pipeline?.name
+        ? this._params.pipeline.name
+        : this.hass.localize(
+            "ui.panel.config.voice_assistants.assistants.pipeline.detail.add_assistant_title"
+          );
 
     return html`
       <ha-dialog
@@ -166,7 +180,7 @@ export class DialogVoiceAssistantPipelineDetail extends LitElement {
             .supportedLanguages=${this._supportedLanguages}
             keys="name,language"
             @value-changed=${this._valueChanged}
-            ?dialogInitialFocus=${!this._params.pipeline?.id}
+            ?dialogInitialFocus=${!isExistingPipeline}
           ></assist-pipeline-detail-config>
           <assist-pipeline-detail-conversation
             .hass=${this.hass}
@@ -217,7 +231,7 @@ export class DialogVoiceAssistantPipelineDetail extends LitElement {
           .loading=${this._submitting}
           dialogInitialFocus
         >
-          ${this._params.pipeline?.id
+          ${isExistingPipeline
             ? this.hass.localize(
                 "ui.panel.config.voice_assistants.assistants.pipeline.detail.update_assistant_action"
               )
@@ -263,7 +277,12 @@ export class DialogVoiceAssistantPipelineDetail extends LitElement {
         wake_word_entity: data.wake_word_entity ?? null,
         wake_word_id: data.wake_word_id ?? null,
       };
-      if (this._params!.pipeline?.id) {
+      if (
+        this._params!.pipeline &&
+        "id" in this._params!.pipeline &&
+        !!this._params!.pipeline.id &&
+        this._params!.updatePipeline
+      ) {
         await this._params!.updatePipeline(values);
       } else if (this._params!.createPipeline) {
         await this._params!.createPipeline(values);
diff --git a/src/panels/config/voice-assistants/show-dialog-voice-assistant-pipeline-detail.ts b/src/panels/config/voice-assistants/show-dialog-voice-assistant-pipeline-detail.ts
index 887763e08d..a43983c360 100644
--- a/src/panels/config/voice-assistants/show-dialog-voice-assistant-pipeline-detail.ts
+++ b/src/panels/config/voice-assistants/show-dialog-voice-assistant-pipeline-detail.ts
@@ -6,9 +6,9 @@ import type {
 
 export interface VoiceAssistantPipelineDetailsDialogParams {
   cloudActiveSubscription?: boolean;
-  pipeline?: AssistPipeline;
+  pipeline?: AssistPipeline | Omit<AssistPipeline, "id">;
   hideWakeWord?: boolean;
-  updatePipeline: (updates: AssistPipelineMutableParams) => Promise<unknown>;
+  updatePipeline?: (updates: AssistPipelineMutableParams) => Promise<unknown>;
   createPipeline?: (values: AssistPipelineMutableParams) => Promise<unknown>;
 }
 
diff --git a/src/translations/en.json b/src/translations/en.json
index 736384f565..057620a1ed 100644
--- a/src/translations/en.json
+++ b/src/translations/en.json
@@ -3688,6 +3688,10 @@
                 },
                 "no_cloud_message": "You should have an active cloud subscription to use cloud speech services.",
                 "no_cloud_action": "Subscribe"
+              },
+              "duplicate": {
+                "error_pipeline_not_found": "Pipeline not found",
+                "name": "{name} (Copy)"
               }
             },
             "cloud": {