diff --git a/changelogs/fragments/3401-nmcli-needs-type.yml b/changelogs/fragments/3401-nmcli-needs-type.yml
new file mode 100644
index 0000000000..9fe7593ba3
--- /dev/null
+++ b/changelogs/fragments/3401-nmcli-needs-type.yml
@@ -0,0 +1,3 @@
+---
+minor_changes:
+  - "nmcli - the option ``routing_rules4`` can now be specified as a list of strings, instead of as a single string (https://github.com/ansible-collections/community.general/issues/3401)."
diff --git a/plugins/modules/net_tools/nmcli.py b/plugins/modules/net_tools/nmcli.py
index 843e8bd8ef..c6680c3bd3 100644
--- a/plugins/modules/net_tools/nmcli.py
+++ b/plugins/modules/net_tools/nmcli.py
@@ -100,7 +100,8 @@ options:
     routing_rules4:
         description:
             - Is the same as in an C(ip route add) command, except always requires specifying a priority.
-        type: str
+        type: list
+        elements: str
         version_added: 3.3.0
     never_default4:
         description:
@@ -1470,6 +1471,7 @@ class Nmcli(object):
         elif setting in ('ipv4.dns',
                          'ipv4.dns-search',
                          'ipv4.routes',
+                         'ipv4.routing-rules',
                          'ipv4.route-metric'
                          'ipv6.dns',
                          'ipv6.dns-search',
@@ -1758,7 +1760,7 @@ def main():
             gw4_ignore_auto=dict(type='bool', default=False),
             routes4=dict(type='list', elements='str'),
             route_metric4=dict(type='int'),
-            routing_rules4=dict(type='str'),
+            routing_rules4=dict(type='list', elements='str'),
             never_default4=dict(type='bool', default=False),
             dns4=dict(type='list', elements='str'),
             dns4_search=dict(type='list', elements='str'),
diff --git a/tests/unit/plugins/modules/net_tools/test_nmcli.py b/tests/unit/plugins/modules/net_tools/test_nmcli.py
index bf2977e81d..33954e594d 100644
--- a/tests/unit/plugins/modules/net_tools/test_nmcli.py
+++ b/tests/unit/plugins/modules/net_tools/test_nmcli.py
@@ -122,6 +122,37 @@ ipv6.ignore-auto-dns:                   no
 ipv6.ignore-auto-routes:                no
 """
 
+TESTCASE_GENERIC_MODIFY_ROUTING_RULES = [
+    {
+        'type': 'generic',
+        'conn_name': 'non_existent_nw_device',
+        'ifname': 'generic_non_existant',
+        'ip4': '10.10.10.10/24',
+        'gw4': '10.10.10.1',
+        'routing_rules4': ['priority 5 from 10.0.0.0/24 table 5000', 'priority 10 from 10.0.1.0/24 table 5001'],
+        'state': 'present',
+        '_ansible_check_mode': False,
+    },
+]
+
+TESTCASE_GENERIC_MODIFY_ROUTING_RULES_SHOW_OUTPUT = """\
+connection.id:                          non_existent_nw_device
+connection.interface-name:              generic_non_existant
+connection.autoconnect:                 yes
+ipv4.method:                            manual
+ipv4.addresses:                         10.10.10.10/24
+ipv4.gateway:                           10.10.10.1
+ipv4.routing-rules:                     priority 5 from 10.0.0.0/24 table 5000, priority 10 from 10.0.1.0/24 table 5001
+ipv4.ignore-auto-dns:                   no
+ipv4.ignore-auto-routes:                no
+ipv4.never-default:                     no
+ipv4.may-fail:                          yes
+ipv6.method:                            auto
+ipv6.ignore-auto-dns:                   no
+ipv6.ignore-auto-routes:                no
+"""
+
+
 TESTCASE_GENERIC_DNS4_SEARCH = [
     {
         'type': 'generic',
@@ -738,6 +769,13 @@ def mocked_generic_connection_unchanged(mocker):
                execute_return=(0, TESTCASE_GENERIC_SHOW_OUTPUT, ""))
 
 
+@pytest.fixture
+def mocked_generic_connection_unchanged(mocker):
+    mocker_set(mocker,
+               connection_exists=True,
+               execute_return=(0, TESTCASE_GENERIC_MODIFY_ROUTING_RULES_SHOW_OUTPUT, ""))
+
+
 @pytest.fixture
 def mocked_generic_connection_dns_search_unchanged(mocker):
     mocker_set(mocker,
@@ -1038,6 +1076,26 @@ def test_generic_connection_unchanged(mocked_generic_connection_unchanged, capfd
     assert not results['changed']
 
 
+@pytest.mark.parametrize('patch_ansible_module', TESTCASE_GENERIC_MODIFY_ROUTING_RULES, indirect=['patch_ansible_module'])
+def test_generic_connection_modify_routing_rules4(mocked_generic_connection_create, capfd):
+    """
+    Test : Generic connection modified with routing-rules4
+    """
+    with pytest.raises(SystemExit):
+        nmcli.main()
+
+    assert nmcli.Nmcli.execute_command.call_count == 1
+    arg_list = nmcli.Nmcli.execute_command.call_args_list
+    args, kwargs = arg_list[0]
+
+    assert 'ipv4.routing-rules' in args[0]
+
+    out, err = capfd.readouterr()
+    results = json.loads(out)
+    assert not results.get('failed')
+    assert results['changed']
+
+
 @pytest.mark.parametrize('patch_ansible_module', TESTCASE_GENERIC_DNS4_SEARCH, indirect=['patch_ansible_module'])
 def test_generic_connection_create_dns_search(mocked_generic_connection_create, capfd):
     """