diff --git a/lib/ansible/module_utils/network/aci/aci.py b/lib/ansible/module_utils/network/aci/aci.py
index c20fc028eb3..ba7e41e3c0f 100644
--- a/lib/ansible/module_utils/network/aci/aci.py
+++ b/lib/ansible/module_utils/network/aci/aci.py
@@ -64,6 +64,7 @@ except ImportError:
 def aci_argument_spec():
     return dict(
         hostname=dict(type='str', required=True, aliases=['host']),
+        port=dict(type='int', required=False),
         username=dict(type='str', default='admin', aliases=['user']),
         password=dict(type='str', no_log=True),
         private_key=dict(type='path', aliases=['cert_key']),  # Beware, this is not the same as client_key !
@@ -214,7 +215,10 @@ class ACIModule(object):
         ''' Log in to APIC '''
 
         # Perform login request
-        url = '%(protocol)s://%(hostname)s/api/aaaLogin.json' % self.params
+        if 'port' in self.params and self.params['port'] is not None:
+            url = '%(protocol)s://%(hostname)s:%(port)s/api/aaaLogin.json' % self.params
+        else:
+            url = '%(protocol)s://%(hostname)s/api/aaaLogin.json' % self.params
         payload = {'aaaUser': {'attributes': {'name': self.params['username'], 'pwd': self.params['password']}}}
         resp, auth = fetch_url(self.module, url,
                                data=json.dumps(payload),
@@ -275,7 +279,11 @@ class ACIModule(object):
         # Ensure method is set (only do this once)
         self.define_method()
         self.result['path'] = path
-        self.result['url'] = '%(protocol)s://%(hostname)s/' % self.params + path.lstrip('/')
+
+        if 'port' in self.params and self.params['port'] is not None:
+            self.result['url'] = '%(protocol)s://%(hostname)s:%(port)s/' % self.params + path.lstrip('/')
+        else:
+            self.result['url'] = '%(protocol)s://%(hostname)s/' % self.params + path.lstrip('/')
 
         # Sign and encode request as to APIC's wishes
         if self.params['private_key'] is not None:
@@ -309,7 +317,11 @@ class ACIModule(object):
 
         # Ensure method is set
         self.result['path'] = path
-        self.result['url'] = '%(protocol)s://%(hostname)s/' % self.params + path.lstrip('/')
+
+        if 'port' in self.params and self.params['port'] is not None:
+            self.result['url'] = '%(protocol)s://%(hostname)s:%(port)s/' % self.params + path.lstrip('/')
+        else:
+            self.result['url'] = '%(protocol)s://%(hostname)s/' % self.params + path.lstrip('/')
 
         # Sign and encode request as to APIC's wishes
         if self.params['private_key'] is not None:
@@ -382,7 +394,10 @@ class ACIModule(object):
             path, filter_string = self._construct_url_1(root_class, child_includes)
 
         self.result['path'] = path
-        self.result['url'] = '{0}://{1}/{2}'.format(self.module.params['protocol'], self.module.params['hostname'], path)
+        if 'port' in self.params and self.params['port'] is not None:
+            self.result['url'] = '{0}://{1}:{2}/{3}'.format(self.module.params['protocol'], self.module.params['hostname'], self.module.params['port'], path)
+        else:
+            self.result['url'] = '{0}://{1}/{2}'.format(self.module.params['protocol'], self.module.params['hostname'], path)
         self.result['filter_string'] = filter_string
 
     def _construct_url_1(self, obj, child_includes):
diff --git a/lib/ansible/utils/module_docs_fragments/aci.py b/lib/ansible/utils/module_docs_fragments/aci.py
index 12c633ff96a..7a4676108e1 100644
--- a/lib/ansible/utils/module_docs_fragments/aci.py
+++ b/lib/ansible/utils/module_docs_fragments/aci.py
@@ -28,6 +28,11 @@ options:
     - IP Address or hostname of APIC resolvable by Ansible control host.
     required: yes
     aliases: [ host ]
+  port:
+    description:
+    - Port number to be used for REST connection.
+    default: 443 (for https) and 80 (for http)
+    type: int
   username:
     description:
     - The username to use for authentication.