diff --git a/homeassistant/components/systemmonitor/icons.json b/homeassistant/components/systemmonitor/icons.json
new file mode 100644
index 00000000000..b0ea54acc98
--- /dev/null
+++ b/homeassistant/components/systemmonitor/icons.json
@@ -0,0 +1,51 @@
+{
+  "entity": {
+    "sensor": {
+      "disk_free": {
+        "default": "mdi:harddisk"
+      },
+      "disk_use": {
+        "default": "mdi:harddisk"
+      },
+      "disk_use_percent": {
+        "default": "mdi:harddisk"
+      },
+      "ipv4_address": {
+        "default": "mdi:ip-network"
+      },
+      "ipv6_address": {
+        "default": "mdi:ip-network"
+      },
+      "memory_free": {
+        "default": "mdi:memory"
+      },
+      "memory_use": {
+        "default": "mdi:memory"
+      },
+      "memory_use_percent": {
+        "default": "mdi:memory"
+      },
+      "network_in": {
+        "default": "mdi:server-network"
+      },
+      "network_out": {
+        "default": "mdi:server-network"
+      },
+      "packets_in": {
+        "default": "mdi:server-network"
+      },
+      "packets_out": {
+        "default": "mdi:server-network"
+      },
+      "swap_free": {
+        "default": "mdi:harddisk"
+      },
+      "swap_use": {
+        "default": "mdi:harddisk"
+      },
+      "swap_use_percent": {
+        "default": "mdi:harddisk"
+      }
+    }
+  }
+}
diff --git a/homeassistant/components/systemmonitor/sensor.py b/homeassistant/components/systemmonitor/sensor.py
index f32e089a1d9..94fc1719c4a 100644
--- a/homeassistant/components/systemmonitor/sensor.py
+++ b/homeassistant/components/systemmonitor/sensor.py
@@ -164,7 +164,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         placeholder="mount_point",
         native_unit_of_measurement=UnitOfInformation.GIBIBYTES,
         device_class=SensorDeviceClass.DATA_SIZE,
-        icon="mdi:harddisk",
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda entity: round(
             entity.coordinator.data.disk_usage[entity.argument].free / 1024**3, 1
@@ -180,7 +179,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         placeholder="mount_point",
         native_unit_of_measurement=UnitOfInformation.GIBIBYTES,
         device_class=SensorDeviceClass.DATA_SIZE,
-        icon="mdi:harddisk",
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda entity: round(
             entity.coordinator.data.disk_usage[entity.argument].used / 1024**3, 1
@@ -195,7 +193,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         translation_key="disk_use_percent",
         placeholder="mount_point",
         native_unit_of_measurement=PERCENTAGE,
-        icon="mdi:harddisk",
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda entity: entity.coordinator.data.disk_usage[
             entity.argument
@@ -209,7 +206,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         key="ipv4_address",
         translation_key="ipv4_address",
         placeholder="ip_address",
-        icon="mdi:ip-network",
         mandatory_arg=True,
         value_fn=get_ip_address,
         add_to_update=lambda entity: ("addresses", ""),
@@ -218,7 +214,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         key="ipv6_address",
         translation_key="ipv6_address",
         placeholder="ip_address",
-        icon="mdi:ip-network",
         mandatory_arg=True,
         value_fn=get_ip_address,
         add_to_update=lambda entity: ("addresses", ""),
@@ -259,7 +254,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         translation_key="memory_free",
         native_unit_of_measurement=UnitOfInformation.MEBIBYTES,
         device_class=SensorDeviceClass.DATA_SIZE,
-        icon="mdi:memory",
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda entity: round(
             entity.coordinator.data.memory.available / 1024**2, 1
@@ -271,7 +265,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         translation_key="memory_use",
         native_unit_of_measurement=UnitOfInformation.MEBIBYTES,
         device_class=SensorDeviceClass.DATA_SIZE,
-        icon="mdi:memory",
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda entity: round(
             (
@@ -287,7 +280,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         key="memory_use_percent",
         translation_key="memory_use_percent",
         native_unit_of_measurement=PERCENTAGE,
-        icon="mdi:memory",
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda entity: entity.coordinator.data.memory.percent,
         add_to_update=lambda entity: ("memory", ""),
@@ -298,7 +290,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         placeholder="interface",
         native_unit_of_measurement=UnitOfInformation.MEBIBYTES,
         device_class=SensorDeviceClass.DATA_SIZE,
-        icon="mdi:server-network",
         state_class=SensorStateClass.TOTAL_INCREASING,
         mandatory_arg=True,
         value_fn=get_network,
@@ -310,7 +301,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         placeholder="interface",
         native_unit_of_measurement=UnitOfInformation.MEBIBYTES,
         device_class=SensorDeviceClass.DATA_SIZE,
-        icon="mdi:server-network",
         state_class=SensorStateClass.TOTAL_INCREASING,
         mandatory_arg=True,
         value_fn=get_network,
@@ -320,7 +310,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         key="packets_in",
         translation_key="packets_in",
         placeholder="interface",
-        icon="mdi:server-network",
         state_class=SensorStateClass.TOTAL_INCREASING,
         mandatory_arg=True,
         value_fn=get_packets,
@@ -330,7 +319,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         key="packets_out",
         translation_key="packets_out",
         placeholder="interface",
-        icon="mdi:server-network",
         state_class=SensorStateClass.TOTAL_INCREASING,
         mandatory_arg=True,
         value_fn=get_packets,
@@ -395,7 +383,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         translation_key="swap_free",
         native_unit_of_measurement=UnitOfInformation.MEBIBYTES,
         device_class=SensorDeviceClass.DATA_SIZE,
-        icon="mdi:harddisk",
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda entity: round(entity.coordinator.data.swap.free / 1024**2, 1),
         add_to_update=lambda entity: ("swap", ""),
@@ -405,7 +392,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         translation_key="swap_use",
         native_unit_of_measurement=UnitOfInformation.MEBIBYTES,
         device_class=SensorDeviceClass.DATA_SIZE,
-        icon="mdi:harddisk",
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda entity: round(entity.coordinator.data.swap.used / 1024**2, 1),
         add_to_update=lambda entity: ("swap", ""),
@@ -414,7 +400,6 @@ SENSOR_TYPES: dict[str, SysMonitorSensorEntityDescription] = {
         key="swap_use_percent",
         translation_key="swap_use_percent",
         native_unit_of_measurement=PERCENTAGE,
-        icon="mdi:harddisk",
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda entity: entity.coordinator.data.swap.percent,
         add_to_update=lambda entity: ("swap", ""),
diff --git a/tests/components/systemmonitor/snapshots/test_sensor.ambr b/tests/components/systemmonitor/snapshots/test_sensor.ambr
index 952aaaa7ec2..5374ea886d3 100644
--- a/tests/components/systemmonitor/snapshots/test_sensor.ambr
+++ b/tests/components/systemmonitor/snapshots/test_sensor.ambr
@@ -3,7 +3,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Disk free /',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': <UnitOfInformation.GIBIBYTES: 'GiB'>,
   })
@@ -15,7 +14,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Disk free /media/share',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': <UnitOfInformation.GIBIBYTES: 'GiB'>,
   })
@@ -26,7 +24,6 @@
 # name: test_sensor[System Monitor Disk usage / - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor Disk usage /',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': '%',
   })
@@ -37,7 +34,6 @@
 # name: test_sensor[System Monitor Disk usage /home/notexist/ - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor Disk usage /home/notexist/',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': '%',
   })
@@ -48,7 +44,6 @@
 # name: test_sensor[System Monitor Disk usage /media/share - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor Disk usage /media/share',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': '%',
   })
@@ -60,7 +55,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Disk use /',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': <UnitOfInformation.GIBIBYTES: 'GiB'>,
   })
@@ -72,7 +66,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Disk use /media/share',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': <UnitOfInformation.GIBIBYTES: 'GiB'>,
   })
@@ -83,7 +76,6 @@
 # name: test_sensor[System Monitor IPv4 address eth0 - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor IPv4 address eth0',
-    'icon': 'mdi:ip-network',
   })
 # ---
 # name: test_sensor[System Monitor IPv4 address eth0 - state]
@@ -92,7 +84,6 @@
 # name: test_sensor[System Monitor IPv4 address eth1 - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor IPv4 address eth1',
-    'icon': 'mdi:ip-network',
   })
 # ---
 # name: test_sensor[System Monitor IPv4 address eth1 - state]
@@ -101,7 +92,6 @@
 # name: test_sensor[System Monitor IPv6 address eth0 - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor IPv6 address eth0',
-    'icon': 'mdi:ip-network',
   })
 # ---
 # name: test_sensor[System Monitor IPv6 address eth0 - state]
@@ -110,7 +100,6 @@
 # name: test_sensor[System Monitor IPv6 address eth1 - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor IPv6 address eth1',
-    'icon': 'mdi:ip-network',
   })
 # ---
 # name: test_sensor[System Monitor IPv6 address eth1 - state]
@@ -159,7 +148,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Memory free',
-    'icon': 'mdi:memory',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': <UnitOfInformation.MEBIBYTES: 'MiB'>,
   })
@@ -170,7 +158,6 @@
 # name: test_sensor[System Monitor Memory usage - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor Memory usage',
-    'icon': 'mdi:memory',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': '%',
   })
@@ -182,7 +169,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Memory use',
-    'icon': 'mdi:memory',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': <UnitOfInformation.MEBIBYTES: 'MiB'>,
   })
@@ -194,7 +180,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Network in eth0',
-    'icon': 'mdi:server-network',
     'state_class': <SensorStateClass.TOTAL_INCREASING: 'total_increasing'>,
     'unit_of_measurement': <UnitOfInformation.MEBIBYTES: 'MiB'>,
   })
@@ -206,7 +191,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Network in eth1',
-    'icon': 'mdi:server-network',
     'state_class': <SensorStateClass.TOTAL_INCREASING: 'total_increasing'>,
     'unit_of_measurement': <UnitOfInformation.MEBIBYTES: 'MiB'>,
   })
@@ -218,7 +202,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Network out eth0',
-    'icon': 'mdi:server-network',
     'state_class': <SensorStateClass.TOTAL_INCREASING: 'total_increasing'>,
     'unit_of_measurement': <UnitOfInformation.MEBIBYTES: 'MiB'>,
   })
@@ -230,7 +213,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Network out eth1',
-    'icon': 'mdi:server-network',
     'state_class': <SensorStateClass.TOTAL_INCREASING: 'total_increasing'>,
     'unit_of_measurement': <UnitOfInformation.MEBIBYTES: 'MiB'>,
   })
@@ -285,7 +267,6 @@
 # name: test_sensor[System Monitor Packets in eth0 - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor Packets in eth0',
-    'icon': 'mdi:server-network',
     'state_class': <SensorStateClass.TOTAL_INCREASING: 'total_increasing'>,
   })
 # ---
@@ -295,7 +276,6 @@
 # name: test_sensor[System Monitor Packets in eth1 - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor Packets in eth1',
-    'icon': 'mdi:server-network',
     'state_class': <SensorStateClass.TOTAL_INCREASING: 'total_increasing'>,
   })
 # ---
@@ -305,7 +285,6 @@
 # name: test_sensor[System Monitor Packets out eth0 - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor Packets out eth0',
-    'icon': 'mdi:server-network',
     'state_class': <SensorStateClass.TOTAL_INCREASING: 'total_increasing'>,
   })
 # ---
@@ -315,7 +294,6 @@
 # name: test_sensor[System Monitor Packets out eth1 - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor Packets out eth1',
-    'icon': 'mdi:server-network',
     'state_class': <SensorStateClass.TOTAL_INCREASING: 'total_increasing'>,
   })
 # ---
@@ -366,7 +344,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Swap free',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': <UnitOfInformation.MEBIBYTES: 'MiB'>,
   })
@@ -377,7 +354,6 @@
 # name: test_sensor[System Monitor Swap usage - attributes]
   ReadOnlyDict({
     'friendly_name': 'System Monitor Swap usage',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': '%',
   })
@@ -389,7 +365,6 @@
   ReadOnlyDict({
     'device_class': 'data_size',
     'friendly_name': 'System Monitor Swap use',
-    'icon': 'mdi:harddisk',
     'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
     'unit_of_measurement': <UnitOfInformation.MEBIBYTES: 'MiB'>,
   })
diff --git a/tests/components/systemmonitor/test_sensor.py b/tests/components/systemmonitor/test_sensor.py
index e67dd31a1de..11dd002c2f7 100644
--- a/tests/components/systemmonitor/test_sensor.py
+++ b/tests/components/systemmonitor/test_sensor.py
@@ -60,7 +60,6 @@ async def test_sensor(
         "state_class": "measurement",
         "unit_of_measurement": "MiB",
         "device_class": "data_size",
-        "icon": "mdi:memory",
         "friendly_name": "System Monitor Memory free",
     }