diff --git a/homeassistant/components/knx/icons.json b/homeassistant/components/knx/icons.json
new file mode 100644
index 00000000000..736923375ee
--- /dev/null
+++ b/homeassistant/components/knx/icons.json
@@ -0,0 +1,31 @@
+{
+  "entity": {
+    "sensor": {
+      "individual_address": {
+        "default": "mdi:router-network"
+      },
+      "telegrams_incoming": {
+        "default": "mdi:upload-network"
+      },
+      "telegrams_incoming_error": {
+        "default": "mdi:help-network"
+      },
+      "telegrams_outgoing": {
+        "default": "mdi:download-network"
+      },
+      "telegrams_outgoing_error": {
+        "default": "mdi:close-network"
+      },
+      "telegram_count": {
+        "default": "mdi:plus-network"
+      }
+    }
+  },
+  "services": {
+    "send": "mdi:email-arrow-right",
+    "read": "mdi:email-search",
+    "event_register": "mdi:home-import-outline",
+    "exposure_register": "mdi:home-export-outline",
+    "reload": "mdi:reload"
+  }
+}
diff --git a/homeassistant/components/knx/sensor.py b/homeassistant/components/knx/sensor.py
index 2f09f7e8ed6..be6359c783d 100644
--- a/homeassistant/components/knx/sensor.py
+++ b/homeassistant/components/knx/sensor.py
@@ -55,7 +55,6 @@ SYSTEM_ENTITY_DESCRIPTIONS = (
     KNXSystemEntityDescription(
         key="individual_address",
         always_available=False,
-        icon="mdi:router-network",
         should_poll=False,
         value_fn=lambda knx: str(knx.xknx.current_address),
     ),
@@ -76,7 +75,6 @@ SYSTEM_ENTITY_DESCRIPTIONS = (
     ),
     KNXSystemEntityDescription(
         key="telegrams_incoming",
-        icon="mdi:upload-network",
         entity_registry_enabled_default=False,
         force_update=True,
         state_class=SensorStateClass.TOTAL_INCREASING,
@@ -84,13 +82,11 @@ SYSTEM_ENTITY_DESCRIPTIONS = (
     ),
     KNXSystemEntityDescription(
         key="telegrams_incoming_error",
-        icon="mdi:help-network",
         state_class=SensorStateClass.TOTAL_INCREASING,
         value_fn=lambda knx: knx.xknx.connection_manager.cemi_count_incoming_error,
     ),
     KNXSystemEntityDescription(
         key="telegrams_outgoing",
-        icon="mdi:download-network",
         entity_registry_enabled_default=False,
         force_update=True,
         state_class=SensorStateClass.TOTAL_INCREASING,
@@ -98,13 +94,11 @@ SYSTEM_ENTITY_DESCRIPTIONS = (
     ),
     KNXSystemEntityDescription(
         key="telegrams_outgoing_error",
-        icon="mdi:close-network",
         state_class=SensorStateClass.TOTAL_INCREASING,
         value_fn=lambda knx: knx.xknx.connection_manager.cemi_count_outgoing_error,
     ),
     KNXSystemEntityDescription(
         key="telegram_count",
-        icon="mdi:plus-network",
         force_update=True,
         state_class=SensorStateClass.TOTAL_INCREASING,
         value_fn=lambda knx: knx.xknx.connection_manager.cemi_count_outgoing