diff --git a/src/app/features/contributors/contributors.component.ts b/src/app/features/contributors/contributors.component.ts
index 46ae814a1..7fef58287 100644
--- a/src/app/features/contributors/contributors.component.ts
+++ b/src/app/features/contributors/contributors.component.ts
@@ -49,6 +49,7 @@ import {
   AcceptRequestAccess,
   AddContributor,
   BulkAddContributors,
+  BulkAddContributorsFromParentProject,
   BulkUpdateContributors,
   ContributorsSelectors,
   CreateViewOnlyLink,
@@ -155,6 +156,7 @@ export class ContributorsComponent implements OnInit {
     deleteContributor: DeleteContributor,
     bulkUpdateContributors: BulkUpdateContributors,
     bulkAddContributors: BulkAddContributors,
+    bulkAddContributorsFromParentProject: BulkAddContributorsFromParentProject,
     addContributor: AddContributor,
     createViewOnlyLink: CreateViewOnlyLink,
     deleteViewOnlyLink: DeleteViewOnlyLink,
@@ -242,17 +244,19 @@ export class ContributorsComponent implements OnInit {
 
   openAddContributorDialog() {
     const addedContributorIds = this.initialContributors().map((x) => x.userId);
-    const rootParentId = this.resourceDetails().rootParentId ?? this.resourceId();
+    const resourceDetails = this.resourceDetails();
+    const resourceId = this.resourceId();
+    const rootParentId = resourceDetails.rootParentId ?? resourceId;
 
     this.loaderService.show();
 
     this.actions
-      .getResourceWithChildren(rootParentId, this.resourceId(), this.resourceType())
+      .getResourceWithChildren(rootParentId, resourceId, this.resourceType())
       .pipe(takeUntilDestroyed(this.destroyRef))
       .subscribe(() => {
         this.loaderService.hide();
 
-        const components = this.mapNodesToComponentCheckboxItems(this.resourceChildren(), this.resourceId());
+        const components = this.mapNodesToComponentCheckboxItems(this.resourceChildren(), resourceId);
 
         this.customDialogService
           .open(AddContributorDialogComponent, {
@@ -261,7 +265,11 @@ export class ContributorsComponent implements OnInit {
             data: {
               addedContributorIds,
               components,
-              resourceName: this.resourceDetails().title,
+              resourceName: resourceDetails.title,
+              allowAddingContributorsFromParentProject:
+                this.resourceType() === ResourceType.Project &&
+                resourceDetails.rootParentId &&
+                resourceDetails.rootParentId !== resourceId,
             },
           })
           .onClose.pipe(
@@ -269,7 +277,9 @@ export class ContributorsComponent implements OnInit {
             takeUntilDestroyed(this.destroyRef)
           )
           .subscribe((res: ContributorDialogAddModel) => {
-            if (res.type === AddContributorType.Unregistered) {
+            if (res.type === AddContributorType.ParentProject) {
+              this.addContributorsFromParentProjectToComponents();
+            } else if (res.type === AddContributorType.Unregistered) {
               this.openAddUnregisteredContributorDialog();
             } else {
               this.addContributorsToComponents(res);
@@ -299,6 +309,13 @@ export class ContributorsComponent implements OnInit {
       .subscribe(() => this.toastService.showSuccess('project.contributors.toastMessages.multipleAddSuccessMessage'));
   }
 
+  private addContributorsFromParentProjectToComponents(): void {
+    this.actions
+      .bulkAddContributorsFromParentProject(this.resourceId(), this.resourceType())
+      .pipe(takeUntilDestroyed(this.destroyRef))
+      .subscribe(() => this.toastService.showSuccess('project.contributors.toastMessages.multipleAddSuccessMessage'));
+  }
+
   openAddUnregisteredContributorDialog() {
     this.customDialogService
       .open(AddUnregisteredContributorDialogComponent, {
diff --git a/src/app/features/preprints/components/stepper/preprints-metadata-step/preprints-contributors/preprints-contributors.component.ts b/src/app/features/preprints/components/stepper/preprints-metadata-step/preprints-contributors/preprints-contributors.component.ts
index c94ee8457..d20676f16 100644
--- a/src/app/features/preprints/components/stepper/preprints-metadata-step/preprints-contributors/preprints-contributors.component.ts
+++ b/src/app/features/preprints/components/stepper/preprints-metadata-step/preprints-contributors/preprints-contributors.component.ts
@@ -127,7 +127,7 @@ export class PreprintsContributorsComponent implements OnInit {
       .open(AddContributorDialogComponent, {
         header: 'project.contributors.addDialog.addRegisteredContributor',
         width: '448px',
-        data: addedContributorIds,
+        data: { addedContributorIds, allowAddingContributorsFromParentProject: true },
       })
       .onClose.pipe(
         filter((res: ContributorDialogAddModel) => !!res),
diff --git a/src/app/shared/components/contributors/add-contributor-dialog/add-contributor-dialog.component.html b/src/app/shared/components/contributors/add-contributor-dialog/add-contributor-dialog.component.html
index 933bf2479..bd299f5ab 100644
--- a/src/app/shared/components/contributors/add-contributor-dialog/add-contributor-dialog.component.html
+++ b/src/app/shared/components/contributors/add-contributor-dialog/add-contributor-dialog.component.html
@@ -65,6 +65,22 @@
     </div>
   }
 
+  @if (allowAddingContributorsFromParentProject() && this.isSearchState()) {
+    <div class="flex justify-content-center mt-2">
+      <p-button
+        class="w-full"
+        styleClass="w-full"
+        severity="secondary"
+        (click)="addSourceProjectContributors()"
+        [label]="
+          'project.contributors.addDialog.addingContributorsFromParentProject'
+            | translate: { projectName: resourceName() }
+        "
+      >
+      </p-button>
+    </div>
+  }
+
   <div class="flex gap-2 mt-6">
     <p-button
       class="w-full"
diff --git a/src/app/shared/components/contributors/add-contributor-dialog/add-contributor-dialog.component.ts b/src/app/shared/components/contributors/add-contributor-dialog/add-contributor-dialog.component.ts
index f560f5ca8..d299cc01b 100644
--- a/src/app/shared/components/contributors/add-contributor-dialog/add-contributor-dialog.component.ts
+++ b/src/app/shared/components/contributors/add-contributor-dialog/add-contributor-dialog.component.ts
@@ -14,6 +14,7 @@ import {
   Component,
   computed,
   DestroyRef,
+  effect,
   inject,
   OnDestroy,
   OnInit,
@@ -23,7 +24,7 @@ import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 import { FormControl, FormsModule } from '@angular/forms';
 
 import { DEFAULT_TABLE_PARAMS } from '@osf/shared/constants';
-import { AddContributorType, AddDialogState } from '@osf/shared/enums';
+import { AddContributorType, AddDialogState, ResourceType } from '@osf/shared/enums';
 import { ComponentCheckboxItemModel, ContributorAddModel, ContributorDialogAddModel } from '@osf/shared/models';
 import { ClearUsers, ContributorsSelectors, SearchUsers } from '@osf/shared/stores';
 
@@ -54,7 +55,10 @@ export class AddContributorDialogComponent implements OnInit, OnDestroy {
   readonly dialogRef = inject(DynamicDialogRef);
   private readonly destroyRef = inject(DestroyRef);
   private readonly config = inject(DynamicDialogConfig);
-  private readonly actions = createDispatchMap({ searchUsers: SearchUsers, clearUsers: ClearUsers });
+  private readonly actions = createDispatchMap({
+    searchUsers: SearchUsers,
+    clearUsers: ClearUsers,
+  });
 
   readonly users = select(ContributorsSelectors.getUsers);
   readonly isLoading = select(ContributorsSelectors.isUsersLoading);
@@ -69,6 +73,7 @@ export class AddContributorDialogComponent implements OnInit, OnDestroy {
   readonly selectedUsers = signal<ContributorAddModel[]>([]);
   readonly components = signal<ComponentCheckboxItemModel[]>([]);
   readonly resourceName = signal<string>('');
+  readonly allowAddingContributorsFromParentProject = signal<boolean>(false);
 
   readonly contributorNames = computed(() =>
     this.selectedUsers()
@@ -113,6 +118,10 @@ export class AddContributorDialogComponent implements OnInit, OnDestroy {
     }
   }
 
+  addSourceProjectContributors(): void {
+    this.closeDialogWithData(AddContributorType.ParentProject);
+  }
+
   addUnregistered(): void {
     this.dialogRef.close({
       data: [],
@@ -129,7 +138,7 @@ export class AddContributorDialogComponent implements OnInit, OnDestroy {
   private initializeDialogData(): void {
     this.selectedUsers.set([]);
 
-    const { components, resourceName } = this.config.data || {};
+    const { components, resourceName, allowAddingContributorsFromParentProject } = this.config.data || {};
 
     if (components) {
       this.components.set(components);
@@ -138,16 +147,20 @@ export class AddContributorDialogComponent implements OnInit, OnDestroy {
     if (resourceName) {
       this.resourceName.set(resourceName);
     }
+
+    if (allowAddingContributorsFromParentProject) {
+      this.allowAddingContributorsFromParentProject.set(allowAddingContributorsFromParentProject);
+    }
   }
 
-  private closeDialogWithData(): void {
+  private closeDialogWithData(AddContributorTypeValue = AddContributorType.Registered): void {
     const childNodeIds = this.components()
       .filter((c) => c.checked && !c.isCurrent)
       .map((c) => c.id);
 
     this.dialogRef.close({
       data: this.selectedUsers(),
-      type: AddContributorType.Registered,
+      type: AddContributorTypeValue,
       childNodeIds: childNodeIds.length > 0 ? childNodeIds : undefined,
     } as ContributorDialogAddModel);
   }
diff --git a/src/app/shared/enums/contributors/add-contributor-type.enum.ts b/src/app/shared/enums/contributors/add-contributor-type.enum.ts
index 17ce058fc..cd0e360e4 100644
--- a/src/app/shared/enums/contributors/add-contributor-type.enum.ts
+++ b/src/app/shared/enums/contributors/add-contributor-type.enum.ts
@@ -1,4 +1,5 @@
 export enum AddContributorType {
   Registered = 1,
   Unregistered,
+  ParentProject,
 }
diff --git a/src/app/shared/services/contributors.service.ts b/src/app/shared/services/contributors.service.ts
index 62c178759..e9a01369e 100644
--- a/src/app/shared/services/contributors.service.ts
+++ b/src/app/shared/services/contributors.service.ts
@@ -150,6 +150,12 @@ export class ContributorsService {
       .pipe(map((contributor) => ContributorsMapper.getContributor(contributor.data)));
   }
 
+  addContributorsFromProject(resourceType: ResourceType, resourceId: string): Observable<void> {
+    const baseUrl = `${this.getBaseUrl(resourceType, resourceId)}/?copy_contributors_from_parent_project=${true}`;
+    let contributorData = { data: { type: AddContributorType.ParentProject } };
+    return this.jsonApiService.patch(baseUrl, contributorData);
+  }
+
   deleteContributor(resourceType: ResourceType, resourceId: string, userId: string): Observable<void> {
     const baseUrl = `${this.getBaseUrl(resourceType, resourceId)}/${userId}/`;
 
diff --git a/src/app/shared/stores/contributors/contributors.actions.ts b/src/app/shared/stores/contributors/contributors.actions.ts
index 4eaaead98..2ee6ccf7a 100644
--- a/src/app/shared/stores/contributors/contributors.actions.ts
+++ b/src/app/shared/stores/contributors/contributors.actions.ts
@@ -62,6 +62,15 @@ export class BulkAddContributors {
   ) {}
 }
 
+export class BulkAddContributorsFromParentProject {
+  static readonly type = '[Contributors] Bulk Add Contributors From Parent Project';
+
+  constructor(
+    public resourceId: string | undefined | null,
+    public resourceType: ResourceType | undefined
+  ) {}
+}
+
 export class DeleteContributor {
   static readonly type = '[Contributors] Delete Contributor';
 
diff --git a/src/app/shared/stores/contributors/contributors.state.ts b/src/app/shared/stores/contributors/contributors.state.ts
index 1731cf44d..9d8f7fd99 100644
--- a/src/app/shared/stores/contributors/contributors.state.ts
+++ b/src/app/shared/stores/contributors/contributors.state.ts
@@ -11,6 +11,7 @@ import {
   AcceptRequestAccess,
   AddContributor,
   BulkAddContributors,
+  BulkAddContributorsFromParentProject,
   BulkUpdateContributors,
   ClearUsers,
   DeleteContributor,
@@ -191,6 +192,29 @@ export class ContributorsState {
       );
   }
 
+  @Action(BulkAddContributorsFromParentProject)
+  bulkAddContributorsFromParentProject(
+    ctx: StateContext<ContributorsStateModel>,
+    action: BulkAddContributorsFromParentProject
+  ) {
+    const state = ctx.getState();
+
+    if (!action.resourceId || !action.resourceType) {
+      return;
+    }
+
+    ctx.patchState({
+      contributorsList: { ...state.contributorsList, isLoading: true, error: null },
+    });
+
+    return this.contributorsService.addContributorsFromProject(action.resourceType, action.resourceId).pipe(
+      tap(() => {
+        ctx.dispatch(new GetAllContributors(action.resourceId, action.resourceType));
+      }),
+      catchError((error) => handleSectionError(ctx, 'contributorsList', error))
+    );
+  }
+
   @Action(DeleteContributor)
   deleteContributor(ctx: StateContext<ContributorsStateModel>, action: DeleteContributor) {
     const state = ctx.getState();
diff --git a/src/assets/i18n/en.json b/src/assets/i18n/en.json
index e29e85ef0..90b45540d 100644
--- a/src/assets/i18n/en.json
+++ b/src/assets/i18n/en.json
@@ -596,7 +596,8 @@
         "bibliographicContributor": "Bibliographic Contributor",
         "addUnregisteredContributor": "Add Unregistered Contributor",
         "addRegisteredContributor": "Add Registered Contributor",
-        "unregisteredContributorNotification": "We will notify the user that they have been added to your project"
+        "unregisteredContributorNotification": "We will notify the user that they have been added to your project",
+        "addingContributorsFromParentProject": "Import contributors from {{projectName}}"
       },
       "removeDialog": {
         "title": "Remove contributor",