diff --git a/changelogs/fragments/65238-fix_pacman_stdout_parsing.yml b/changelogs/fragments/65238-fix_pacman_stdout_parsing.yml
new file mode 100644
index 00000000000..8c4efa0828f
--- /dev/null
+++ b/changelogs/fragments/65238-fix_pacman_stdout_parsing.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - pacman - Fix pacman output parsing on localized environment. (https://github.com/ansible/ansible/issues/65237)
diff --git a/lib/ansible/modules/packaging/os/pacman.py b/lib/ansible/modules/packaging/os/pacman.py
index 1672598bd0c..dded7bd5149 100644
--- a/lib/ansible/modules/packaging/os/pacman.py
+++ b/lib/ansible/modules/packaging/os/pacman.py
@@ -433,6 +433,7 @@ def main():
     )
 
     pacman_path = module.get_bin_path('pacman', True)
+    module.run_command_environ_update = dict(LC_ALL='C')
 
     p = module.params