diff --git a/esphome/components/logger/logger.cpp b/esphome/components/logger/logger.cpp
index 51a29a63e56..0f879b6ca10 100644
--- a/esphome/components/logger/logger.cpp
+++ b/esphome/components/logger/logger.cpp
@@ -129,7 +129,7 @@ void Logger::log_vprintf_(uint8_t level, const char *tag, int line, const __Flas
   if (level > this->level_for(tag) || global_recursion_guard_)
     return;
 
-  this->log_message_to_buffer_and_send_P_(global_recursion_guard_, level, tag, line, format, args);
+  this->log_message_to_buffer_and_send_(global_recursion_guard_, level, tag, line, format, args);
 }
 #endif  // USE_STORE_LOG_STR_IN_FLASH
 
diff --git a/esphome/components/logger/logger.h b/esphome/components/logger/logger.h
index 87eaa957d1b..c0a807c991f 100644
--- a/esphome/components/logger/logger.h
+++ b/esphome/components/logger/logger.h
@@ -2,6 +2,7 @@
 
 #include <cstdarg>
 #include <map>
+#include <type_traits>
 #if defined(USE_ESP32) || defined(USE_HOST)
 #include <pthread.h>
 #endif
@@ -466,27 +467,21 @@ class Logger : public Component {
   }
 
   // Helper to format and send a log message to both console and listeners
+  // Template handles both const char* (RAM) and __FlashStringHelper* (flash) format strings
+  template<typename FormatType>
   inline void HOT log_message_to_buffer_and_send_(bool &recursion_guard, uint8_t level, const char *tag, int line,
-                                                  const char *format, va_list args) {
+                                                  FormatType format, va_list args) {
     RecursionGuard guard(recursion_guard);
     LogBuffer buf(this->tx_buffer_, this->tx_buffer_at_, this->tx_buffer_size_);
-    this->format_log_to_buffer_with_terminator_(level, tag, line, format, args, buf);
+    if constexpr (std::is_same_v<FormatType, const char *>) {
+      this->format_log_to_buffer_with_terminator_(level, tag, line, format, args, buf);
+    } else {
+      this->format_log_to_buffer_with_terminator_P_(level, tag, line, format, args, buf);
+    }
     this->notify_listeners_(level, tag);
     this->write_log_buffer_to_console_(buf);
   }
 
-#ifdef USE_STORE_LOG_STR_IN_FLASH
-  // Helper to format and send a log message with flash format string (ESP8266)
-  inline void HOT log_message_to_buffer_and_send_P_(bool &recursion_guard, uint8_t level, const char *tag, int line,
-                                                    const __FlashStringHelper *format, va_list args) {
-    RecursionGuard guard(recursion_guard);
-    LogBuffer buf(this->tx_buffer_, this->tx_buffer_at_, this->tx_buffer_size_);
-    this->format_log_to_buffer_with_terminator_P_(level, tag, line, format, args, buf);
-    this->notify_listeners_(level, tag);
-    this->write_log_buffer_to_console_(buf);
-  }
-#endif
-
 #ifdef USE_ESPHOME_TASK_LOG_BUFFER
   // Helper to format a pre-formatted message from the task log buffer and notify listeners
   // Used by process_messages_ to avoid code duplication between ESP32 and host platforms