diff --git a/CHANGELOG.md b/CHANGELOG.md
index abf41fd..2ea137d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
 #### [Unreleased](https://github.com/hougesen/mdsf/compare/v0.2.7...HEAD)
 
+- feat: support terragrunt hclfmt [`#505`](https://github.com/hougesen/mdsf/pull/505)
 - feat: support shellharden [`#504`](https://github.com/hougesen/mdsf/pull/504)
 - feat: support reorder-python-imports [`#503`](https://github.com/hougesen/mdsf/pull/503)
 - feat: support reformat-gherkin [`#502`](https://github.com/hougesen/mdsf/pull/502)
diff --git a/README.md b/README.md
index 6a55192..f9652b2 100644
--- a/README.md
+++ b/README.md
@@ -184,7 +184,7 @@ mdsf init
 
 <!-- START_SECTION:supported-tools -->
 
-`mdsf` currently supports 195 commands. Feel free to open an issue/pull-request if your favorite tool is missing! 😃
+`mdsf` currently supports 196 commands. Feel free to open an issue/pull-request if your favorite tool is missing! 😃
 
 | Name                     | Command                                                                                |
 | ------------------------ | -------------------------------------------------------------------------------------- |
@@ -358,6 +358,7 @@ mdsf init
 | `taplo`                  | `taplo format PATH`                                                                    |
 | `templ:fmt`              | `templ fmt PATH`                                                                       |
 | `terraform:fmt`          | `terraform fmt -write=true PATH`                                                       |
+| `terragrunt:hclfmt`      | `terragrunt hclfmt --terragrunt-hclfmt-file PATH`                                      |
 | `tlint:format`           | `tlint format PATH`                                                                    |
 | `tofu:fmt`               | `tofu fmt -write=true PATH`                                                            |
 | `topiary`                | `topiary format PATH`                                                                  |
diff --git a/mdsf/src/tools/mod.rs b/mdsf/src/tools/mod.rs
index 6d6c130..f883204 100644
--- a/mdsf/src/tools/mod.rs
+++ b/mdsf/src/tools/mod.rs
@@ -168,6 +168,7 @@ pub mod swiftformat;
 pub mod taplo;
 pub mod templ_fmt;
 pub mod terraform_fmt;
+pub mod terragrunt_hclfmt;
 pub mod tlint_format;
 pub mod tofu_fmt;
 pub mod topiary;
@@ -878,6 +879,10 @@ pub enum Tooling {
     /// `terraform fmt -write=true $PATH`
     TerraformFmt,
 
+    #[serde(rename = "terragrunt:hclfmt")]
+    /// `terragrunt hclfmt --terragrunt-hclfmt-file $PATH`
+    TerragruntHclfmt,
+
     #[serde(rename = "tlint:format")]
     /// `tlint format $PATH`
     TlintFormat,
@@ -1157,6 +1162,7 @@ impl Tooling {
             Self::Taplo => taplo::run(snippet_path),
             Self::TemplFmt => templ_fmt::run(snippet_path),
             Self::TerraformFmt => terraform_fmt::run(snippet_path),
+            Self::TerragruntHclfmt => terragrunt_hclfmt::run(snippet_path),
             Self::TlintFormat => tlint_format::run(snippet_path),
             Self::TofuFmt => tofu_fmt::run(snippet_path),
             Self::Topiary => topiary::run(snippet_path),
@@ -1361,6 +1367,7 @@ impl AsRef<str> for Tooling {
             Self::Taplo => "taplo",
             Self::TemplFmt => "templ_fmt",
             Self::TerraformFmt => "terraform_fmt",
+            Self::TerragruntHclfmt => "terragrunt_hclfmt",
             Self::TlintFormat => "tlint_format",
             Self::TofuFmt => "tofu_fmt",
             Self::Topiary => "topiary",
diff --git a/mdsf/src/tools/terragrunt_hclfmt.rs b/mdsf/src/tools/terragrunt_hclfmt.rs
new file mode 100644
index 0000000..4e87bc9
--- /dev/null
+++ b/mdsf/src/tools/terragrunt_hclfmt.rs
@@ -0,0 +1,36 @@
+use std::process::Command;
+
+use crate::{error::MdsfError, execution::execute_command, runners::CommandType};
+
+#[inline]
+fn set_terragrunt_hclfmt_args(mut cmd: Command, file_path: &std::path::Path) -> Command {
+    cmd.arg("hclfmt");
+    cmd.arg("--terragrunt-hclfmt-file");
+    cmd.arg(file_path);
+    cmd
+}
+
+#[inline]
+pub fn run(file_path: &std::path::Path) -> Result<(bool, Option<String>), MdsfError> {
+    let commands = [CommandType::Direct("terragrunt")];
+
+    for (index, cmd) in commands.iter().enumerate() {
+        let cmd = set_terragrunt_hclfmt_args(cmd.build(), file_path);
+        let execution_result = execute_command(cmd, file_path);
+
+        if index == commands.len() - 1 {
+            return execution_result;
+        }
+
+        if let Ok(r) = execution_result {
+            if !r.0 {
+                return Ok(r);
+            }
+        }
+    }
+
+    Ok((true, None))
+}
+
+#[cfg(test)]
+mod test_terragrunt_hclfmt {}
diff --git a/schemas/v0.2.7/mdsf.schema.json b/schemas/v0.2.7/mdsf.schema.json
index a518d3a..195b074 100644
--- a/schemas/v0.2.7/mdsf.schema.json
+++ b/schemas/v0.2.7/mdsf.schema.json
@@ -908,6 +908,11 @@
           "type": "string",
           "enum": ["terraform:fmt"]
         },
+        {
+          "description": "`terragrunt hclfmt --terragrunt-hclfmt-file $PATH`",
+          "type": "string",
+          "enum": ["terragrunt:hclfmt"]
+        },
         {
           "description": "`tlint format $PATH`",
           "type": "string",
diff --git a/tools/terragrunt/plugin.json b/tools/terragrunt/plugin.json
new file mode 100644
index 0000000..50c3c78
--- /dev/null
+++ b/tools/terragrunt/plugin.json
@@ -0,0 +1,15 @@
+{
+  "$schema": "../tool.schema.json",
+  "binary": "terragrunt",
+  "categories": ["formatter"],
+  "commands": {
+    "hclfmt": ["hclfmt", "--terragrunt-hclfmt-file", "$PATH"]
+  },
+  "description": "Recursively find hcl files and rewrite them into a canonical format",
+  "homepage": "https://terragrunt.gruntwork.io/docs/reference/cli-options/#hclfmt",
+  "languages": ["hcl"],
+  "name": null,
+  "npm": null,
+  "php": null,
+  "tests": []
+}