diff --git a/.changelog/33263.txt b/.changelog/33263.txt
new file mode 100644
index 000000000000..d80cb7627e68
--- /dev/null
+++ b/.changelog/33263.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+resource/aws_fsx_ontap_file_system: Increase maximum value of `disk_iops_configuration.iops` to `160000`
+```
\ No newline at end of file
diff --git a/internal/service/fsx/ontap_file_system.go b/internal/service/fsx/ontap_file_system.go
index e68b6f7c21f9..2b291f4a67e4 100644
--- a/internal/service/fsx/ontap_file_system.go
+++ b/internal/service/fsx/ontap_file_system.go
@@ -80,7 +80,7 @@ func ResourceOntapFileSystem() *schema.Resource {
 							Type:         schema.TypeInt,
 							Optional:     true,
 							Computed:     true,
-							ValidateFunc: validation.IntBetween(0, 80000),
+							ValidateFunc: validation.IntBetween(0, 160000),
 						},
 						"mode": {
 							Type:         schema.TypeString,