diff --git a/config.py b/config.py
index 4d31677..b694f4e 100644
--- a/config.py
+++ b/config.py
@@ -125,6 +125,7 @@ ALIASES = {
             "Etcd": "ETCD",
             "Haproxy": "HAProxy",
             "OpenServiceMesh": "OSM",
+            "Opnsense": "OPNSense",
             "Pfsense": "PFSense",
             "Vyos": "VyOS"
         },
diff --git a/diagrams/onprem/network.py b/diagrams/onprem/network.py
index 9ea6318..ec7bb81 100644
--- a/diagrams/onprem/network.py
+++ b/diagrams/onprem/network.py
@@ -60,6 +60,10 @@ class OpenServiceMesh(_Network):
     _icon = "open-service-mesh.png"
 
 
+class Opnsense(_Network):
+    _icon = "opnsense.png"
+
+
 class Pfsense(_Network):
     _icon = "pfsense.png"
 
diff --git a/docs/nodes/onprem.md b/docs/nodes/onprem.md
index 62ec53a..bc23de7 100644
--- a/docs/nodes/onprem.md
+++ b/docs/nodes/onprem.md
@@ -141,6 +141,7 @@ Node classes list of onprem provider.
 - **diagrams.onprem.network.Nginx**
 - **diagrams.onprem.network.Ocelot**
 - **diagrams.onprem.network.OpenServiceMesh**, **OSM** (alias)
+- **diagrams.onprem.network.Opnsense**, **OPNsense** (alias)
 - **diagrams.onprem.network.Pfsense**, **PFSense** (alias)
 - **diagrams.onprem.network.Pomerium**
 - **diagrams.onprem.network.Tomcat**
diff --git a/resources/onprem/network/opnsense.png b/resources/onprem/network/opnsense.png
new file mode 100644
index 0000000..952102b
Binary files /dev/null and b/resources/onprem/network/opnsense.png differ