diff --git a/changelogs/fragments/ansible-basic-tmpdir-uniqueness.yml b/changelogs/fragments/ansible-basic-tmpdir-uniqueness.yml
new file mode 100644
index 00000000000..02409495633
--- /dev/null
+++ b/changelogs/fragments/ansible-basic-tmpdir-uniqueness.yml
@@ -0,0 +1,2 @@
+bugfixes:
+- Windows - Ensure the module temp directory contains more unique values to avoid conflicts with concurrent runs - https://github.com/ansible/ansible/issues/80294
diff --git a/lib/ansible/module_utils/csharp/Ansible.Basic.cs b/lib/ansible/module_utils/csharp/Ansible.Basic.cs
index ed7b592c655..97f5f3e2d78 100644
--- a/lib/ansible/module_utils/csharp/Ansible.Basic.cs
+++ b/lib/ansible/module_utils/csharp/Ansible.Basic.cs
@@ -178,7 +178,8 @@ namespace Ansible.Basic
                     }
 
                     string dateTime = DateTime.Now.ToFileTime().ToString();
-                    string dirName = String.Format("ansible-moduletmp-{0}-{1}", dateTime, new Random().Next(0, int.MaxValue));
+                    string dirName = String.Format("ansible-moduletmp-{0}-{1}-{2}", dateTime, System.Diagnostics.Process.GetCurrentProcess().Id,
+                        new Random().Next(0, int.MaxValue));
                     string newTmpdir = Path.Combine(baseDir, dirName);
 #if CORECLR
                     DirectoryInfo tmpdirInfo = Directory.CreateDirectory(newTmpdir);