diff --git a/esphome/components/socket/lwip_raw_tcp_impl.cpp b/esphome/components/socket/lwip_raw_tcp_impl.cpp
index 430356592f..d697bd47a5 100644
--- a/esphome/components/socket/lwip_raw_tcp_impl.cpp
+++ b/esphome/components/socket/lwip_raw_tcp_impl.cpp
@@ -36,7 +36,7 @@ void socket_delay(uint32_t ms) {
   esp_delay(ms, []() { return !s_socket_woke; });
 }
 
-void socket_wake() {
+void IRAM_ATTR socket_wake() {
   s_socket_woke = true;
   esp_schedule();
 }
diff --git a/esphome/components/socket/socket.h b/esphome/components/socket/socket.h
index 86a4f0cba9..546d278260 100644
--- a/esphome/components/socket/socket.h
+++ b/esphome/components/socket/socket.h
@@ -86,8 +86,9 @@ size_t format_sockaddr_to(const struct sockaddr *addr_ptr, socklen_t len, std::s
 /// On ESP8266, lwip callbacks set a flag and call esp_schedule() to wake the delay.
 void socket_delay(uint32_t ms);
 
-/// Called by lwip callbacks to signal socket activity and wake delay.
-void socket_wake();
+/// Signal socket/IO activity and wake the main loop from esp_delay() early.
+/// ISR-safe: uses IRAM_ATTR internally and only sets a volatile flag + esp_schedule().
+void socket_wake();  // NOLINT(readability-redundant-declaration)
 #endif
 
 }  // namespace esphome::socket
diff --git a/esphome/core/application.h b/esphome/core/application.h
index 13fd0180ab..63d59c555e 100644
--- a/esphome/core/application.h
+++ b/esphome/core/application.h
@@ -34,7 +34,11 @@
 #endif
 #endif
 #endif  // USE_SOCKET_SELECT_SUPPORT
-
+#if defined(USE_ESP8266) && defined(USE_SOCKET_IMPL_LWIP_TCP)
+namespace esphome::socket {
+void socket_wake();  // NOLINT(readability-redundant-declaration)
+}  // namespace esphome::socket
+#endif
 #ifdef USE_BINARY_SENSOR
 #include "esphome/components/binary_sensor/binary_sensor.h"
 #endif
@@ -530,6 +534,12 @@ class Application {
 #endif
 #endif
 
+#if defined(USE_ESP8266) && defined(USE_SOCKET_IMPL_LWIP_TCP)
+  /// Wake the main event loop from any context (ISR, thread, or main loop).
+  /// On ESP8266: sets the socket wake flag and calls esp_schedule() to exit esp_delay() early.
+  static void IRAM_ATTR wake_loop_any_context() { socket::socket_wake(); }
+#endif
+
  protected:
   friend Component;
 #ifdef USE_SOCKET_SELECT_SUPPORT
diff --git a/esphome/core/component.cpp b/esphome/core/component.cpp
index a71aa8b3a3..53cb50a44c 100644
--- a/esphome/core/component.cpp
+++ b/esphome/core/component.cpp
@@ -323,10 +323,11 @@ void IRAM_ATTR HOT Component::enable_loop_soon_any_context() {
   // 8. Race condition with main loop is handled by clearing flag before processing
   this->pending_enable_loop_ = true;
   App.has_pending_enable_loop_requests_ = true;
-#if defined(USE_LWIP_FAST_SELECT) && defined(USE_ESP32)
-  // Wake the main loop if sleeping in ulTaskNotifyTake(). Without this,
-  // the main loop would not wake until the select timeout expires (~16ms).
-  // Uses xPortInIsrContext() to choose the correct FreeRTOS notify API.
+#if (defined(USE_LWIP_FAST_SELECT) && defined(USE_ESP32)) || (defined(USE_ESP8266) && defined(USE_SOCKET_IMPL_LWIP_TCP))
+  // Wake the main loop from sleep. Without this, the main loop would not
+  // wake until the select/delay timeout expires (~16ms).
+  // ESP32: uses xPortInIsrContext() to choose the correct FreeRTOS notify API.
+  // ESP8266: sets socket wake flag and calls esp_schedule() to exit esp_delay() early.
   Application::wake_loop_any_context();
 #endif
 }