diff --git a/diagrams/onprem/monitoring.py b/diagrams/onprem/monitoring.py
index 4d90d85d..68b2fb41 100644
--- a/diagrams/onprem/monitoring.py
+++ b/diagrams/onprem/monitoring.py
@@ -8,6 +8,10 @@ class _Monitoring(_OnPrem):
     _icon_dir = "resources/onprem/monitoring"
 
 
+class Cortex(_Monitoring):
+    _icon = "cortex.png"
+
+
 class Datadog(_Monitoring):
     _icon = "datadog.png"
 
diff --git a/docs/nodes/onprem.md b/docs/nodes/onprem.md
index cc631ce8..f93f70be 100644
--- a/docs/nodes/onprem.md
+++ b/docs/nodes/onprem.md
@@ -142,6 +142,7 @@ Node classes list of onprem provider.
 
 ## onprem.monitoring
 
+- **diagrams.onprem.monitoring.Cortex**
 - **diagrams.onprem.monitoring.Datadog**
 - **diagrams.onprem.monitoring.Grafana**
 - **diagrams.onprem.monitoring.PrometheusOperator**
diff --git a/resources/onprem/monitoring/cortex.png b/resources/onprem/monitoring/cortex.png
new file mode 100644
index 00000000..c241cef3
Binary files /dev/null and b/resources/onprem/monitoring/cortex.png differ