diff --git a/esphome/core/gpio.cpp b/esphome/core/gpio.cpp
index bce233c566..735ae2fcba 100644
--- a/esphome/core/gpio.cpp
+++ b/esphome/core/gpio.cpp
@@ -2,12 +2,11 @@
 #include "esphome/core/log.h"
 
 #include <algorithm>
+#include <cstring>
 
 namespace esphome {
 
-void log_pin(const char *tag, const char *prefix, GPIOPin *pin) {
-  if (pin == nullptr)
-    return;
+static void log_pin_with_prefix(const char *tag, const char *prefix, GPIOPin *pin) {
   char buffer[GPIO_SUMMARY_MAX_LEN];
   size_t len = pin->dump_summary(buffer, sizeof(buffer));
   // Clamp to actual buffer size (snprintf returns would-be length)
@@ -15,4 +14,28 @@ void log_pin(const char *tag, const char *prefix, GPIOPin *pin) {
   esp_log_printf_(ESPHOME_LOG_LEVEL_CONFIG, tag, __LINE__, "%s%.*s", prefix, (int) len, buffer);
 }
 
+#ifdef USE_ESP8266
+
+static constexpr size_t LOG_PIN_PREFIX_MAX_LEN = 32;
+
+void log_pin(const char *tag, const __FlashStringHelper *prefix, GPIOPin *pin) {
+  if (pin == nullptr)
+    return;
+  // Copy prefix from flash to stack
+  char prefix_buf[LOG_PIN_PREFIX_MAX_LEN];
+  strncpy_P(prefix_buf, reinterpret_cast<const char *>(prefix), sizeof(prefix_buf) - 1);
+  prefix_buf[sizeof(prefix_buf) - 1] = '\0';
+  log_pin_with_prefix(tag, prefix_buf, pin);
+}
+
+#else
+
+void log_pin(const char *tag, const char *prefix, GPIOPin *pin) {
+  if (pin == nullptr)
+    return;
+  log_pin_with_prefix(tag, prefix, pin);
+}
+
+#endif
+
 }  // namespace esphome
diff --git a/esphome/core/gpio.h b/esphome/core/gpio.h
index fe53802abf..bcbd4a3762 100644
--- a/esphome/core/gpio.h
+++ b/esphome/core/gpio.h
@@ -14,9 +14,13 @@ inline constexpr size_t GPIO_SUMMARY_MAX_LEN = 48;
 class GPIOPin;  // Forward declaration
 
 /// Log a pin summary to the config log
+#ifdef USE_ESP8266
+void log_pin(const char *tag, const __FlashStringHelper *prefix, GPIOPin *pin);
+#define LOG_PIN(prefix, pin) log_pin(TAG, F(prefix), pin)
+#else
 void log_pin(const char *tag, const char *prefix, GPIOPin *pin);
-
 #define LOG_PIN(prefix, pin) log_pin(TAG, prefix, pin)
+#endif
 
 // put GPIO flags in a namespace to not pollute esphome namespace
 namespace gpio {