diff --git a/changelogs/fragments/filesystem-xfs-resize-slack.yml b/changelogs/fragments/filesystem-xfs-resize-slack.yml
new file mode 100644
index 0000000000..9292a9a289
--- /dev/null
+++ b/changelogs/fragments/filesystem-xfs-resize-slack.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - filesystem - avoid false positive change detection on XFS resize due to unusable slack space (https://github.com/ansible-collections/community.general/pull/11033).
diff --git a/plugins/modules/filesystem.py b/plugins/modules/filesystem.py
index 2a4748b5dc..a52873c0e4 100644
--- a/plugins/modules/filesystem.py
+++ b/plugins/modules/filesystem.py
@@ -207,6 +207,7 @@ class Filesystem:
     MKFS_SET_UUID_EXTRA_OPTIONS: list[str] | None = []
     INFO: str | None = None
     GROW: str | None = None
+    GROW_SLACK: int = 0
     GROW_MAX_SPACE_FLAGS: list[str] | None = []
     GROW_MOUNTPOINT_ONLY = False
     CHANGE_UUID: str | None = None
@@ -275,7 +276,7 @@ class Filesystem:
             self.module.warn(f"unable to process {self.INFO} output '{err}'")
             self.module.fail_json(msg=f"unable to process {self.INFO} output for {dev}")
 
-        if not fssize_in_bytes < devsize_in_bytes:
+        if fssize_in_bytes + self.GROW_SLACK >= devsize_in_bytes:
             self.module.exit_json(changed=False, msg=f"{self.fstype} filesystem is using the whole device {dev}")
         elif self.module.check_mode:
             self.module.exit_json(changed=True, msg=f"resizing filesystem {self.fstype} on device {dev}")
@@ -355,6 +356,10 @@ class XFS(Filesystem):
     MKFS_FORCE_FLAGS = ["-f"]
     INFO = "xfs_info"
     GROW = "xfs_growfs"
+    # XFS (defaults with 4KiB blocksize) requires at least 64 block of free
+    # space to add a new allocation group, avoid resizing (noop, but shown as
+    # diff) if the difference between the filesystem and the device is less
+    GROW_SLACK = 64 * 4096 - 1
     GROW_MOUNTPOINT_ONLY = True
     CHANGE_UUID = "xfs_admin"
     CHANGE_UUID_OPTION = "-U"