diff --git a/.github/workflows/maintainers.yaml b/.github/workflows/maintainers.yaml
new file mode 100644
index 0000000000..857be0b416
--- /dev/null
+++ b/.github/workflows/maintainers.yaml
@@ -0,0 +1,28 @@
+name: Ping maintainers
+
+on:
+    pull_request:
+
+jobs:
+    maintainer_ping:
+        runs-on: ubuntu-latest
+
+        container: qmkfm/qmk_cli
+
+        steps:
+            - uses: actions/checkout@v2
+              with:
+                  fetch-depth: 0
+
+            - uses: trilom/file-changes-action@v1.2.4
+              id: file_changes
+              with:
+                  output: " "
+                  fileOutput: " "
+
+            - name: Install dependencies
+              run: pip3 install -r requirements-dev.txt
+
+            - name: Ping maintainers and request reviews
+              shell: "bash {0}"
+              run: qmk ping-maintainers --pr ${{ github.event.number }} ${{ steps.file_changes.outputs.files }}
diff --git a/CODEOWNERS b/CODEOWNERS
new file mode 100644
index 0000000000..2518b6475a
--- /dev/null
+++ b/CODEOWNERS
@@ -0,0 +1,2 @@
+*	@qmk/collaborators
+/lib/python/*	@qmk/python
diff --git a/lib/python/qmk/cli/__init__.py b/lib/python/qmk/cli/__init__.py
index f45e33240c..49f32b2965 100644
--- a/lib/python/qmk/cli/__init__.py
+++ b/lib/python/qmk/cli/__init__.py
@@ -60,10 +60,12 @@ subcommands = [
     'qmk.cli.lint',
     'qmk.cli.list.keyboards',
     'qmk.cli.list.keymaps',
+    'qmk.cli.list.maintainers',
     'qmk.cli.kle2json',
     'qmk.cli.multibuild',
     'qmk.cli.new.keyboard',
     'qmk.cli.new.keymap',
+    'qmk.cli.ping.maintainers',
     'qmk.cli.pyformat',
     'qmk.cli.pytest',
 ]
diff --git a/lib/python/qmk/cli/list/maintainers.py b/lib/python/qmk/cli/list/maintainers.py
new file mode 100644
index 0000000000..a9186451b3
--- /dev/null
+++ b/lib/python/qmk/cli/list/maintainers.py
@@ -0,0 +1,16 @@
+"""List the keymaps for a specific keyboard
+"""
+from pathlib import Path
+
+from milc import cli
+
+from qmk.maintainers import maintainers
+
+
+@cli.argument("files", type=Path, arg_only=True, nargs='*', help="File to check")
+@cli.subcommand("List the maintainers for a file.")
+def list_maintainers(cli):
+    """List the maintainers for a file.
+    """
+    for file in cli.args.files:
+        cli.echo('%s: %s', file, ', '.join(maintainers(file)))
diff --git a/lib/python/qmk/cli/ping/maintainers.py b/lib/python/qmk/cli/ping/maintainers.py
new file mode 100644
index 0000000000..c8ce636c1a
--- /dev/null
+++ b/lib/python/qmk/cli/ping/maintainers.py
@@ -0,0 +1,51 @@
+"""Generate a message to ping people responsible for one or more files.
+"""
+from pathlib import Path
+
+from milc import cli
+
+from qmk.maintainers import maintainers
+
+
+@cli.argument('--pr', type=int, arg_only=True, help="PR to send ping to (optional)")
+@cli.argument('--owner', default='qmk', arg_only=True, help="Owner for the repo (Default: qmk)")
+@cli.argument('--repo', default='qmk_firmware', arg_only=True, help="Repo to send pings to (Default: qmk_firmware)")
+@cli.argument("files", type=Path, arg_only=True, nargs='*', help="File to ping maintainers for.")
+@cli.subcommand("Ping the maintainers and request reviews for one or more files.")
+def ping_maintainers(cli):
+    """Ping the maintainers for one or more files.
+    """
+    github_maintainers = set()
+    github_teams = set()
+
+    for file in cli.args.files:
+        for maintainer in maintainers(file):
+            if '/' in maintainer:
+                github_teams.add(maintainer)
+            else:
+                github_maintainers.add(maintainer)
+
+    if cli.args.pr:
+        from ghapi.all import GhApi
+
+        ghapi = GhApi(owner=cli.args.owner, repo=cli.args.repo)
+        pr = ghapi.pulls.get(cli.args.pr)
+
+        if not pr.draft:
+            for team in pr.requested_teams:
+                team_name = f'@{cli.args.owner}/{team.slug}'
+
+                if team_name in github_teams:
+                    cli.log.info('Found %s in reviews already, skipping', team_name)
+                    github_teams.remove(team_name)
+
+            for team in github_teams:
+                cli.log.info('Requesting review from team %s', team.split('/', 1)[1])
+                ghapi.pulls.request_reviewers(pull_number=cli.args.pr, team_reviewers=team.split('/', 1)[1])
+
+            if github_maintainers:
+                ghapi.issues.create_comment(cli.args.pr, f'If you were pinged by this comment you have one or more files being changed by this PR: {" ".join(sorted(github_maintainers))}')
+
+    else:
+        print(f'Team Reviews: {" ".join(sorted(github_teams))}')
+        print(f'Individual Reviews: {" ".join(sorted(github_maintainers))}')
diff --git a/lib/python/qmk/maintainers.py b/lib/python/qmk/maintainers.py
new file mode 100644
index 0000000000..c851c34fb9
--- /dev/null
+++ b/lib/python/qmk/maintainers.py
@@ -0,0 +1,27 @@
+from pathlib import Path
+
+from qmk.json_schema import json_load
+
+
+def maintainers(file):
+    """Yields maintainers for a file.
+    """
+    from codeowners import CodeOwners
+
+    codeowners_file = Path('CODEOWNERS')
+    codeowners = CodeOwners(codeowners_file.read_text())
+    maintainers = [owner[1] for owner in codeowners.of(str(file))]
+    file_dir = file if file.is_dir() else file.parent
+
+    cur_path = Path('.')
+
+    for path_part in file_dir.parts:
+        cur_path = cur_path / path_part
+        info_file = cur_path / 'info.json'
+        if info_file.exists():
+            new_info_data = json_load(info_file)
+            maintainers = new_info_data.get('maintainer').replace(',', ' ').split()
+            maintainers = ['@' + maintainer for maintainer in maintainers]
+
+    for maintainer in maintainers:
+        yield '@qmk/collaborators' if maintainer == 'qmk' else maintainer
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 1db3b6d733..a5d59a3d54 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,9 @@
 -r requirements.txt
 
 # Python development requirements
-nose2
+codeowners
 flake8
+ghapi
+nose2
 pep8-naming
 yapf