diff --git a/changelogs/fragments/dedupe_config_init.yml b/changelogs/fragments/dedupe_config_init.yml
new file mode 100644
index 00000000000..16306fc13fa
--- /dev/null
+++ b/changelogs/fragments/dedupe_config_init.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - ansible-config init will now dedupe ini entries from plugins.
diff --git a/lib/ansible/cli/config.py b/lib/ansible/cli/config.py
index 9c9d47b36ff..f394ef7c1ec 100755
--- a/lib/ansible/cli/config.py
+++ b/lib/ansible/cli/config.py
@@ -314,7 +314,7 @@ class ConfigCLI(CLI):
 
         return data
 
-    def _get_settings_ini(self, settings):
+    def _get_settings_ini(self, settings, seen):
 
         sections = {}
         for o in sorted(settings.keys()):
@@ -327,7 +327,7 @@ class ConfigCLI(CLI):
 
             if not opt.get('description'):
                 # its a plugin
-                new_sections = self._get_settings_ini(opt)
+                new_sections = self._get_settings_ini(opt, seen)
                 for s in new_sections:
                     if s in sections:
                         sections[s].extend(new_sections[s])
@@ -343,37 +343,45 @@ class ConfigCLI(CLI):
 
             if 'ini' in opt and opt['ini']:
                 entry = opt['ini'][-1]
+                if entry['section'] not in seen:
+                    seen[entry['section']] = []
                 if entry['section'] not in sections:
                     sections[entry['section']] = []
 
-                default = opt.get('default', '')
-                if opt.get('type', '') == 'list' and not isinstance(default, string_types):
-                    # python lists are not valid ini ones
-                    default = ', '.join(default)
-                elif default is None:
-                    default = ''
+                # avoid dupes
+                if entry['key'] not in seen[entry['section']]:
+                    seen[entry['section']].append(entry['key'])
+
+                    default = opt.get('default', '')
+                    if opt.get('type', '') == 'list' and not isinstance(default, string_types):
+                        # python lists are not valid ini ones
+                        default = ', '.join(default)
+                    elif default is None:
+                        default = ''
+
+                    if context.CLIARGS['commented']:
+                        entry['key'] = ';%s' % entry['key']
 
-                if context.CLIARGS['commented']:
-                    entry['key'] = ';%s' % entry['key']
+                    key = desc + '\n%s=%s' % (entry['key'], default)
 
-                key = desc + '\n%s=%s' % (entry['key'], default)
-                sections[entry['section']].append(key)
+                    sections[entry['section']].append(key)
 
         return sections
 
     def execute_init(self):
         """Create initial configuration"""
 
+        seen = {}
         data = []
         config_entries = self._list_entries_from_args()
         plugin_types = config_entries.pop('PLUGINS', None)
 
         if context.CLIARGS['format'] == 'ini':
-            sections = self._get_settings_ini(config_entries)
+            sections = self._get_settings_ini(config_entries, seen)
 
             if plugin_types:
                 for ptype in plugin_types:
-                    plugin_sections = self._get_settings_ini(plugin_types[ptype])
+                    plugin_sections = self._get_settings_ini(plugin_types[ptype], seen)
                     for s in plugin_sections:
                         if s in sections:
                             sections[s].extend(plugin_sections[s])
diff --git a/test/integration/targets/ansible-config/aliases b/test/integration/targets/ansible-config/aliases
new file mode 100644
index 00000000000..1d28bdb2aa3
--- /dev/null
+++ b/test/integration/targets/ansible-config/aliases
@@ -0,0 +1,2 @@
+shippable/posix/group5
+context/controller
diff --git a/test/integration/targets/ansible-config/files/ini_dupes.py b/test/integration/targets/ansible-config/files/ini_dupes.py
new file mode 100755
index 00000000000..ed42e6acb80
--- /dev/null
+++ b/test/integration/targets/ansible-config/files/ini_dupes.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import annotations
+
+import configparser
+import sys
+
+
+ini_file = sys.argv[1]
+c = configparser.ConfigParser(strict=True, inline_comment_prefixes=(';',))
+c.read_file(open(ini_file))
diff --git a/test/integration/targets/ansible-config/tasks/main.yml b/test/integration/targets/ansible-config/tasks/main.yml
new file mode 100644
index 00000000000..a894dd45cf5
--- /dev/null
+++ b/test/integration/targets/ansible-config/tasks/main.yml
@@ -0,0 +1,14 @@
+- name: test ansible-config for valid output and no dupes
+  block:
+    - name: Create temporary file
+      tempfile:
+        path: '{{output_dir}}'
+        state: file
+        suffix: temp.ini
+      register: ini_tempfile
+
+    - name: run config full dump
+      shell: ansible-config init -t all > {{ini_tempfile.path}}
+
+    - name: run ini tester, for correctness and dupes
+      shell: "{{ansible_playbook_python}} '{{role_path}}/files/ini_dupes.py' '{{ini_tempfile.path}}'"