diff --git a/changelogs/fragments/318-org_users_by_org_name.yml b/changelogs/fragments/318-org_users_by_org_name.yml
new file mode 100644
index 00000000..ef8d4959
--- /dev/null
+++ b/changelogs/fragments/318-org_users_by_org_name.yml
@@ -0,0 +1,7 @@
+---
+
+minor_changes:
+  - Add parameter `org_name` to `grafana_organization_user`
+
+trivial:
+  - Add tests for new `grafana_organization_user`-parameter `org_name`
diff --git a/plugins/modules/grafana_organization_user.py b/plugins/modules/grafana_organization_user.py
index 72496b84..14195fdb 100644
--- a/plugins/modules/grafana_organization_user.py
+++ b/plugins/modules/grafana_organization_user.py
@@ -57,6 +57,12 @@
     default: 1
     description:
       - Organization ID.
+      - Mutually exclusive with `org_name`.
+  org_name:
+    type: str
+    description:
+      - Organization name.
+      - Mutually exclusive with `org_id`.
 
 extends_documentation_fragment:
   - community.grafana.basic_auth
@@ -156,6 +162,12 @@ def _api_call(self, method, path, payload):
             data = json.dumps(payload)
         return fetch_url(self._module, self.grafana_url + '/api/' + path, headers=self.headers, method=method, data=data)
 
+    def _organization_by_name(self, org_name):
+        r, info = self._api_call('GET', 'orgs/name/%s' % org_name, None)
+        if info['status'] != 200:
+            raise GrafanaAPIException("Unable to retrieve organization: %s" % info)
+        return json.loads(to_text(r.read()))
+
     def _organization_users(self, org_id):
         r, info = self._api_call('GET', 'orgs/%d/users' % org_id, None)
         if info['status'] != 200:
@@ -178,7 +190,7 @@ def _remove_organization_user(self, org_id, user_id):
 
     def _organization_user_by_login(self, org_id, login):
         for user in self._organization_users(org_id):
-            if user['name'] == login or user['email'] == login:
+            if login in (user['login'], user['email']):
                 return user
 
     def create_or_update_user(self, org_id, login, role):
@@ -232,12 +244,16 @@ def main():
     argument_spec.pop('grafana_api_key')
     argument_spec.update(
         org_id=dict(type='int', default=1),
+        org_name=dict(type='str'),
         login=dict(type='str', required=True),
         role=dict(type='str', choices=['viewer', 'editor', 'admin'], default='viewer'),
     )
     module = AnsibleModule(
         argument_spec=argument_spec,
         supports_check_mode=False,
+        mutually_exclusive=[
+            ('org_id', 'org_name'),
+        ],
         required_if=[
             ['state', 'present', ['role']],
         ]
@@ -246,6 +262,10 @@ def main():
     org_id = module.params['org_id']
     login = module.params['login']
     iface = GrafanaOrganizationUserInterface(module)
+    if module.params['org_name']:
+        org_name = module.params['org_name']
+        organization = iface._organization_by_name(org_name)
+        org_id = organization['id']
     if module.params['state'] == 'present':
         role = module.params['role'].capitalize()
         result = iface.create_or_update_user(org_id, login, role)
diff --git a/tests/integration/targets/grafana_organization_user/tasks/main.yml b/tests/integration/targets/grafana_organization_user/tasks/main.yml
index 6ac1f131..3ede4f7c 100644
--- a/tests/integration/targets/grafana_organization_user/tasks/main.yml
+++ b/tests/integration/targets/grafana_organization_user/tasks/main.yml
@@ -92,7 +92,7 @@
     state: present
   register: org
 
-- name: Add user to the organization
+- name: Add user to the new organization by org_id
   community.grafana.grafana_organization_user:
     url: "{{ grafana_url }}"
     url_username: "{{ grafana_username }}"
@@ -108,3 +108,48 @@
       - "result.changed == true"
       - "result.user.orgId == org.org.id"
       - "result.user.role == 'Admin'"
+
+- name: Remove user from new organization by org_id
+  community.grafana.grafana_organization_user:
+    url: "{{ grafana_url }}"
+    url_username: "{{ grafana_username }}"
+    url_password: "{{ grafana_password }}"
+    org_id: "{{ org.org.id }}"
+    login: orgtest
+    state: absent
+  register: result
+- assert:
+    that:
+      - "result.failed == false"
+      - "result.changed == true"
+
+- name: Add user to the new organization by org_name
+  community.grafana.grafana_organization_user:
+    url: "{{ grafana_url }}"
+    url_username: "{{ grafana_username }}"
+    url_password: "{{ grafana_password }}"
+    org_name: "{{ org.org.name }}"
+    login: orgtest
+    role: admin
+    state: present
+  register: result
+- assert:
+    that:
+      - "result.failed == false"
+      - "result.changed == true"
+      - "result.user.orgId == org.org.id"
+      - "result.user.role == 'Admin'"
+
+- name: Remove user from new organization by org_name
+  community.grafana.grafana_organization_user:
+    url: "{{ grafana_url }}"
+    url_username: "{{ grafana_username }}"
+    url_password: "{{ grafana_password }}"
+    org_name: "{{ org.org.name }}"
+    login: orgtest
+    state: absent
+  register: result
+- assert:
+    that:
+      - "result.failed == false"
+      - "result.changed == true"