diff --git a/changelogs/fragments/11943-yarn-nodejs-runtime-warnings.yml b/changelogs/fragments/11943-yarn-nodejs-runtime-warnings.yml
new file mode 100644
index 0000000000..06f633dd1d
--- /dev/null
+++ b/changelogs/fragments/11943-yarn-nodejs-runtime-warnings.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - yarn - skip Node.js runtime warning lines (starting with ``(node:``) in stderr before JSON parsing, fixing failures with Node.js 24 which emits ``DeprecationWarning`` to stderr. The warnings are passed on to the user (https://github.com/ansible-collections/community.general/pull/11943).
diff --git a/plugins/modules/yarn.py b/plugins/modules/yarn.py
index 437104f4b1..406a6c8487 100644
--- a/plugins/modules/yarn.py
+++ b/plugins/modules/yarn.py
@@ -187,8 +187,13 @@ class Yarn:
 
     def _process_yarn_error(self, err):
         try:
-            # We need to filter for errors, since Yarn warnings are included in stderr
+            # We need to filter for errors, since Yarn warnings are included in stderr.
+            # Non-JSON lines (e.g. Node.js runtime warnings) are surfaced via module.warn()
+            # rather than treated as errors, since their meaning is unknown.
             for line in err.splitlines():
+                if not line.startswith("{"):
+                    self.module.warn(f"yarn stderr: {line}")
+                    continue
                 if json.loads(line)["type"] == "error":
                     self.module.fail_json(msg=err)
         except Exception:
diff --git a/tests/integration/targets/yarn/tasks/main.yml b/tests/integration/targets/yarn/tasks/main.yml
index df6cc50411..8180d375eb 100644
--- a/tests/integration/targets/yarn/tasks/main.yml
+++ b/tests/integration/targets/yarn/tasks/main.yml
@@ -11,6 +11,9 @@
 
 # ============================================================
 
+- include_tasks: run_alpine.yml
+  when: ansible_facts.os_family == 'Alpine'
+
 - include_tasks: run.yml
   vars:
     nodejs_version: '{{ item.node_version }}'
@@ -22,4 +25,4 @@
   with_items:
     - {node_version: 16.20.2, yarn_version: 1.22.22}  # oldest node version with macOS arm64 support
   when:
-    - not (ansible_facts.os_family == 'Alpine')  # TODO
+    - not (ansible_facts.os_family == 'Alpine')
diff --git a/tests/integration/targets/yarn/tasks/run.yml b/tests/integration/targets/yarn/tasks/run.yml
index 21857b6a3e..ef90715654 100644
--- a/tests/integration/targets/yarn/tasks/run.yml
+++ b/tests/integration/targets/yarn/tasks/run.yml
@@ -35,203 +35,8 @@
     path: '{{remote_tmp_dir}}/node_modules'
     state: absent
 
-# Set vars for our test harness
-- vars:
-    # node_bin_path: "/usr/local/lib/nodejs/node-v{{nodejs_version}}/bin"
+- include_tasks: tests.yml
+  vars:
     node_bin_path: "/usr/local/lib/nodejs/{{ nodejs_path }}/bin"
     yarn_bin_path: "{{ remote_tmp_dir }}/yarn-v{{ yarn_version }}/bin"
     package: 'iconv-lite'
-  environment:
-    PATH: "{{ node_bin_path }}:{{ansible_facts.env.PATH}}"
-    YARN_IGNORE_ENGINES: true
-  block:
-
-    # Get the version of Yarn and register to a variable
-    - shell: '{{ yarn_bin_path }}/yarn --version'
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_version
-
-    - name: 'Create dummy package.json'
-      template:
-        src: package.j2
-        dest: '{{ remote_tmp_dir }}/package.json'
-
-    - name: 'Install all packages.'
-      yarn:
-        path: '{{ remote_tmp_dir }}'
-        executable: '{{ yarn_bin_path }}/yarn'
-        state: present
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-
-    - name: 'Install the same package from package.json again.'
-      yarn:
-        path: '{{ remote_tmp_dir }}'
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: '{{ package }}'
-        state: present
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_install
-
-    - assert:
-        that:
-          - not (yarn_install is changed)
-
-    - name: 'Install all packages in check mode.'
-      yarn:
-        path: '{{ remote_tmp_dir }}'
-        executable: '{{ yarn_bin_path }}/yarn'
-        state: present
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      check_mode: true
-      register: yarn_install_check
-
-    - name: verify test yarn global installation in check mode
-      assert:
-        that:
-          - yarn_install_check.err is defined
-          - yarn_install_check.out is defined
-          - yarn_install_check.err is none
-          - yarn_install_check.out is none
-
-    - name: 'Install package with explicit version (older version of package)'
-      yarn:
-        path: '{{ remote_tmp_dir }}'
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: left-pad
-        version: 1.1.0
-        state: present
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_install_old_package
-
-    - assert:
-        that:
-          - yarn_install_old_package is changed
-
-    - name: 'Again but without explicit executable path'
-      yarn:
-        path: '{{ remote_tmp_dir }}'
-        name: left-pad
-        version: 1.1.0
-        state: present
-      environment:
-        PATH: '{{ yarn_bin_path }}:{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-
-    - name: 'Upgrade old package'
-      yarn:
-        path: '{{ remote_tmp_dir }}'
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: left-pad
-        state: latest
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_update_old_package
-
-    - assert:
-        that:
-          - yarn_update_old_package is changed
-
-    - name: 'Remove a package'
-      yarn:
-        path: '{{ remote_tmp_dir }}'
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: '{{ package }}'
-        state: absent
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_uninstall_package
-
-    - name: 'Assert package removed'
-      assert:
-        that:
-          - yarn_uninstall_package is changed
-
-    - name: 'Global install binary with explicit version (older version of package)'
-      yarn:
-        global: true
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: prettier
-        version: 2.0.0
-        state: present
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_global_install_old_binary
-
-    - assert:
-        that:
-          - yarn_global_install_old_binary is changed
-
-    - name: 'Global upgrade old binary'
-      yarn:
-        global: true
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: prettier
-        state: latest
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_global_update_old_binary
-
-    - assert:
-        that:
-          - yarn_global_update_old_binary is changed
-
-    - name: 'Global remove a binary'
-      yarn:
-        global: true
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: prettier
-        state: absent
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_global_uninstall_binary
-
-    - assert:
-        that:
-          - yarn_global_uninstall_binary is changed
-
-    - name: 'Global install package with no binary with explicit version (older version of package)'
-      yarn:
-        global: true
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: left-pad
-        version: 1.1.0
-        state: present
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_global_install_old_package
-
-    - assert:
-        that:
-          - yarn_global_install_old_package is changed
-
-    - name: 'Global upgrade old package with no binary'
-      yarn:
-        global: true
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: left-pad
-        state: latest
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_global_update_old_package
-
-    - assert:
-        that:
-          - yarn_global_update_old_package is changed
-
-    - name: 'Global remove a package with no binary'
-      yarn:
-        global: true
-        executable: '{{ yarn_bin_path }}/yarn'
-        name: left-pad
-        state: absent
-      environment:
-        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
-      register: yarn_global_uninstall_package
-
-    - assert:
-        that:
-          - yarn_global_uninstall_package is changed
diff --git a/tests/integration/targets/yarn/tasks/run_alpine.yml b/tests/integration/targets/yarn/tasks/run_alpine.yml
new file mode 100644
index 0000000000..e76a72c951
--- /dev/null
+++ b/tests/integration/targets/yarn/tasks/run_alpine.yml
@@ -0,0 +1,25 @@
+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+- name: Install nodejs and yarn via apk
+  community.general.apk:
+    name:
+      - sqlite-libs
+      - nodejs
+      - yarn
+    state: latest
+    update_cache: true
+
+# Clean up before running tests
+- name: Remove any previous Nodejs modules
+  file:
+    path: '{{ remote_tmp_dir }}/node_modules'
+    state: absent
+
+- include_tasks: tests.yml
+  vars:
+    node_bin_path: /usr/bin
+    yarn_bin_path: /usr/bin
+    package: 'iconv-lite'
diff --git a/tests/integration/targets/yarn/tasks/tests.yml b/tests/integration/targets/yarn/tasks/tests.yml
new file mode 100644
index 0000000000..8710c2afc4
--- /dev/null
+++ b/tests/integration/targets/yarn/tasks/tests.yml
@@ -0,0 +1,201 @@
+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Expects: node_bin_path, yarn_bin_path, package
+
+- environment:
+    PATH: "{{ node_bin_path }}:{{ ansible_facts.env.PATH }}"
+    YARN_IGNORE_ENGINES: true
+  block:
+
+    # Get the version of Yarn and register to a variable
+    - shell: '{{ yarn_bin_path }}/yarn --version'
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_installed_version
+
+    - name: 'Create dummy package.json'
+      template:
+        src: package.j2
+        dest: '{{ remote_tmp_dir }}/package.json'
+
+    - name: 'Install all packages.'
+      yarn:
+        path: '{{ remote_tmp_dir }}'
+        executable: '{{ yarn_bin_path }}/yarn'
+        state: present
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+
+    - name: 'Install the same package from package.json again.'
+      yarn:
+        path: '{{ remote_tmp_dir }}'
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: '{{ package }}'
+        state: present
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_install
+
+    - assert:
+        that:
+          - not (yarn_install is changed)
+
+    - name: 'Install all packages in check mode.'
+      yarn:
+        path: '{{ remote_tmp_dir }}'
+        executable: '{{ yarn_bin_path }}/yarn'
+        state: present
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      check_mode: true
+      register: yarn_install_check
+
+    - name: verify test yarn global installation in check mode
+      assert:
+        that:
+          - yarn_install_check.err is defined
+          - yarn_install_check.out is defined
+          - yarn_install_check.err is none
+          - yarn_install_check.out is none
+
+    - name: 'Install package with explicit version (older version of package)'
+      yarn:
+        path: '{{ remote_tmp_dir }}'
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: left-pad
+        version: 1.1.0
+        state: present
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_install_old_package
+
+    - assert:
+        that:
+          - yarn_install_old_package is changed
+
+    - name: 'Again but without explicit executable path'
+      yarn:
+        path: '{{ remote_tmp_dir }}'
+        name: left-pad
+        version: 1.1.0
+        state: present
+      environment:
+        PATH: '{{ yarn_bin_path }}:{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+
+    - name: 'Upgrade old package'
+      yarn:
+        path: '{{ remote_tmp_dir }}'
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: left-pad
+        state: latest
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_update_old_package
+
+    - assert:
+        that:
+          - yarn_update_old_package is changed
+
+    - name: 'Remove a package'
+      yarn:
+        path: '{{ remote_tmp_dir }}'
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: '{{ package }}'
+        state: absent
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_uninstall_package
+
+    - name: 'Assert package removed'
+      assert:
+        that:
+          - yarn_uninstall_package is changed
+
+    - name: 'Global install binary with explicit version (older version of package)'
+      yarn:
+        global: true
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: prettier
+        version: 2.0.0
+        state: present
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_global_install_old_binary
+
+    - assert:
+        that:
+          - yarn_global_install_old_binary is changed
+
+    - name: 'Global upgrade old binary'
+      yarn:
+        global: true
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: prettier
+        state: latest
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_global_update_old_binary
+
+    - assert:
+        that:
+          - yarn_global_update_old_binary is changed
+
+    - name: 'Global remove a binary'
+      yarn:
+        global: true
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: prettier
+        state: absent
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_global_uninstall_binary
+
+    - assert:
+        that:
+          - yarn_global_uninstall_binary is changed
+
+    - name: 'Global install package with no binary with explicit version (older version of package)'
+      yarn:
+        global: true
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: left-pad
+        version: 1.1.0
+        state: present
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_global_install_old_package
+
+    - assert:
+        that:
+          - yarn_global_install_old_package is changed
+
+    - name: 'Global upgrade old package with no binary'
+      yarn:
+        global: true
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: left-pad
+        state: latest
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_global_update_old_package
+
+    - assert:
+        that:
+          - yarn_global_update_old_package is changed
+
+    - name: 'Global remove a package with no binary'
+      yarn:
+        global: true
+        executable: '{{ yarn_bin_path }}/yarn'
+        name: left-pad
+        state: absent
+      environment:
+        PATH: '{{ node_bin_path }}:{{ ansible_facts.env.PATH }}'
+      register: yarn_global_uninstall_package
+
+    - assert:
+        that:
+          - yarn_global_uninstall_package is changed