diff --git a/src/aap_eda/api/serializers/team.py b/src/aap_eda/api/serializers/team.py
index ec8aeebb8..5153b6902 100644
--- a/src/aap_eda/api/serializers/team.py
+++ b/src/aap_eda/api/serializers/team.py
@@ -12,6 +12,7 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 from rest_framework import serializers
+from rest_framework.exceptions import ValidationError
 
 from aap_eda.api.serializers.organization import OrganizationRefSerializer
 from aap_eda.core import models, validators
@@ -57,9 +58,9 @@ class Meta:
 
     def validate(self, data):
         self.validate_shared_resource()
+        validators.check_if_team_name_exists(data['name'], data['organization_id'])
         return data
 
-
 class TeamDetailSerializer(serializers.ModelSerializer):
     organization = OrganizationRefSerializer()
     resource = AnsibleResourceFieldSerializer(read_only=True)
diff --git a/src/aap_eda/core/validators.py b/src/aap_eda/core/validators.py
index 2a60dbe43..6d6172df4 100644
--- a/src/aap_eda/core/validators.py
+++ b/src/aap_eda/core/validators.py
@@ -235,3 +235,9 @@ def check_credential_types(
         raise serializers.ValidationError(
             f"The type of credential can only be one of {names}"
         )
+
+def check_if_team_name_exists(name: str, organization_id: int):
+    if models.Team.objects.filter(name=name, organization_id=organization_id).exists():
+        raise serializers.ValidationError(
+            {"name": ["A team with this name already exists in the organization."]}
+        )