diff --git a/esphome/dashboard/core.py b/esphome/dashboard/core.py
index eec0777da6..563ca1506d 100644
--- a/esphome/dashboard/core.py
+++ b/esphome/dashboard/core.py
@@ -5,10 +5,14 @@ from collections.abc import Coroutine
 import contextlib
 from dataclasses import dataclass
 from functools import partial
+import json
 import logging
+from pathlib import Path
 import threading
 from typing import TYPE_CHECKING, Any, Callable
 
+from esphome.storage_json import ignored_devices_storage_path
+
 from ..zeroconf import DiscoveredImport
 from .dns import DNSCache
 from .entries import DashboardEntries
@@ -20,6 +24,8 @@ if TYPE_CHECKING:
 
 _LOGGER = logging.getLogger(__name__)
 
+IGNORED_DEVICES_STORAGE_PATH = "ignored-devices.json"
+
 
 @dataclass
 class Event:
@@ -74,6 +80,7 @@ class ESPHomeDashboard:
         "settings",
         "dns_cache",
         "_background_tasks",
+        "ignored_devices",
     )
 
     def __init__(self) -> None:
@@ -89,12 +96,30 @@ class ESPHomeDashboard:
         self.settings = DashboardSettings()
         self.dns_cache = DNSCache()
         self._background_tasks: set[asyncio.Task] = set()
+        self.ignored_devices: set[str] = set()
 
     async def async_setup(self) -> None:
         """Setup the dashboard."""
         self.loop = asyncio.get_running_loop()
         self.ping_request = asyncio.Event()
         self.entries = DashboardEntries(self)
+        self.load_ignored_devices()
+
+    def load_ignored_devices(self) -> None:
+        storage_path = Path(ignored_devices_storage_path())
+        try:
+            with storage_path.open("r", encoding="utf-8") as f_handle:
+                data = json.load(f_handle)
+                self.ignored_devices = set(data.get("ignored_devices", set()))
+        except FileNotFoundError:
+            pass
+
+    def save_ignored_devices(self) -> None:
+        storage_path = Path(ignored_devices_storage_path())
+        with storage_path.open("w", encoding="utf-8") as f_handle:
+            json.dump(
+                {"ignored_devices": sorted(self.ignored_devices)}, indent=2, fp=f_handle
+            )
 
     async def async_run(self) -> None:
         """Run the dashboard."""
diff --git a/esphome/dashboard/web_server.py b/esphome/dashboard/web_server.py
index e4b7b8d342..1a8b2ab83a 100644
--- a/esphome/dashboard/web_server.py
+++ b/esphome/dashboard/web_server.py
@@ -541,6 +541,46 @@ class ImportRequestHandler(BaseHandler):
         self.finish()
 
 
+class IgnoreDeviceRequestHandler(BaseHandler):
+    @authenticated
+    def post(self) -> None:
+        dashboard = DASHBOARD
+        try:
+            args = json.loads(self.request.body.decode())
+            device_name = args["name"]
+            ignore = args["ignore"]
+        except (json.JSONDecodeError, KeyError):
+            self.set_status(400)
+            self.set_header("content-type", "application/json")
+            self.write(json.dumps({"error": "Invalid payload"}))
+            return
+
+        ignored_device = next(
+            (
+                res
+                for res in dashboard.import_result.values()
+                if res.device_name == device_name
+            ),
+            None,
+        )
+
+        if ignored_device is None:
+            self.set_status(404)
+            self.set_header("content-type", "application/json")
+            self.write(json.dumps({"error": "Device not found"}))
+            return
+
+        if ignore:
+            dashboard.ignored_devices.add(ignored_device.device_name)
+        else:
+            dashboard.ignored_devices.discard(ignored_device.device_name)
+
+        dashboard.save_ignored_devices()
+
+        self.set_status(204)
+        self.finish()
+
+
 class DownloadListRequestHandler(BaseHandler):
     @authenticated
     @bind_config
@@ -688,6 +728,7 @@ class ListDevicesHandler(BaseHandler):
                             "project_name": res.project_name,
                             "project_version": res.project_version,
                             "network": res.network,
+                            "ignored": res.device_name in dashboard.ignored_devices,
                         }
                         for res in dashboard.import_result.values()
                         if res.device_name not in configured
@@ -1156,6 +1197,7 @@ def make_app(debug=get_bool_env(ENV_DEV)) -> tornado.web.Application:
             (f"{rel}prometheus-sd", PrometheusServiceDiscoveryHandler),
             (f"{rel}boards/([a-z0-9]+)", BoardsRequestHandler),
             (f"{rel}version", EsphomeVersionHandler),
+            (f"{rel}ignore-device", IgnoreDeviceRequestHandler),
         ],
         **app_settings,
     )
diff --git a/esphome/storage_json.py b/esphome/storage_json.py
index 2d12ee01a0..97cf9ceadd 100644
--- a/esphome/storage_json.py
+++ b/esphome/storage_json.py
@@ -28,6 +28,10 @@ def esphome_storage_path() -> str:
     return os.path.join(CORE.data_dir, "esphome.json")
 
 
+def ignored_devices_storage_path() -> str:
+    return os.path.join(CORE.data_dir, "ignored-devices.json")
+
+
 def trash_storage_path() -> str:
     return CORE.relative_config_path("trash")