diff --git a/changelogs/fragments/650_pacman_support_zst_package_files.yaml b/changelogs/fragments/650_pacman_support_zst_package_files.yaml
new file mode 100644
index 0000000000..b1e4041271
--- /dev/null
+++ b/changelogs/fragments/650_pacman_support_zst_package_files.yaml
@@ -0,0 +1,4 @@
+bugfixes:
+  - pacman - treat package names containing .zst as package files during installation
+    (https://www.archlinux.org/news/now-using-zstandard-instead-of-xz-for-package-compression/,
+    https://github.com/ansible-collections/community.general/pull/650).
diff --git a/plugins/modules/packaging/os/pacman.py b/plugins/modules/packaging/os/pacman.py
index 1dfcbf3549..12ea790760 100644
--- a/plugins/modules/packaging/os/pacman.py
+++ b/plugins/modules/packaging/os/pacman.py
@@ -459,7 +459,7 @@ def main():
         for i, pkg in enumerate(pkgs):
             if not pkg:  # avoid empty strings
                 continue
-            elif re.match(r".*\.pkg\.tar(\.(gz|bz2|xz|lrz|lzo|Z))?$", pkg):
+            elif re.match(r".*\.pkg\.tar(\.(gz|bz2|xz|lrz|lzo|Z|zst))?$", pkg):
                 # The package given is a filename, extract the raw pkg name from
                 # it and store the filename
                 pkg_files.append(pkg)