diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 7b03cfe68bb3..d6a7456ccf82 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -2260,7 +2260,8 @@
 // MKS LCD12864A/B with graphic controller and SD support. Follows MKS_MINI_12864 pinout.
 // https://www.aliexpress.com/item/33018110072.html
 //
-//#define MKS_LCD12864
+//#define MKS_LCD12864A
+//#define MKS_LCD12864B
 
 //
 // FYSETC variant of the MINI12864 graphic controller with SD support
diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h
index a6df825ad999..d767000501cf 100644
--- a/Marlin/src/inc/Conditionals_LCD.h
+++ b/Marlin/src/inc/Conditionals_LCD.h
@@ -26,8 +26,8 @@
  * Conditionals that need to be set before Configuration_adv.h or pins.h
  */
 
-// MKS_LCD12864 is a variant of MKS_MINI_12864
-#if ENABLED(MKS_LCD12864)
+// MKS_LCD12864A/B is a variant of MKS_MINI_12864
+#if EITHER(MKS_LCD12864A, MKS_LCD12864B)
   #define MKS_MINI_12864
 #endif
 
diff --git a/Marlin/src/inc/Conditionals_post.h b/Marlin/src/inc/Conditionals_post.h
index 208c87598201..98b5c06914d3 100644
--- a/Marlin/src/inc/Conditionals_post.h
+++ b/Marlin/src/inc/Conditionals_post.h
@@ -270,7 +270,7 @@
 #elif ENABLED(AZSMZ_12864)
   #define _LCD_CONTRAST_MIN  120
   #define _LCD_CONTRAST_INIT 190
-#elif ENABLED(MKS_LCD12864)
+#elif EITHER(MKS_LCD12864A, MKS_LCD12864B)
   #define _LCD_CONTRAST_MIN  120
   #define _LCD_CONTRAST_INIT 205
 #elif EITHER(MKS_MINI_12864, ENDER2_STOCKDISPLAY)
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index bb4ec75681f3..0435ab5fb9e6 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -560,6 +560,8 @@
   #error "MEATPACK is now enabled with MEATPACK_ON_SERIAL_PORT_1, MEATPACK_ON_SERIAL_PORT_2, etc."
 #elif defined(CUSTOM_USER_MENUS)
   #error "CUSTOM_USER_MENUS has been replaced by CUSTOM_MENU_MAIN and CUSTOM_MENU_CONFIG."
+#elif defined(MKS_LCD12864)
+  #error "MKS_LCD12864 is now MKS_LCD12864A or MKS_LCD12864B."
 #endif
 
 /**
@@ -2359,7 +2361,7 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
   + ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) \
   + (ENABLED(U8GLIB_SSD1306) && DISABLED(IS_U8GLIB_SSD1306)) \
   + (ENABLED(MINIPANEL) && NONE(MKS_MINI_12864, ENDER2_STOCKDISPLAY)) \
-  + (ENABLED(MKS_MINI_12864) && DISABLED(MKS_LCD12864)) \
+  + (ENABLED(MKS_MINI_12864) && NONE(MKS_LCD12864A, MKS_LCD12864B)) \
   + (ENABLED(EXTENSIBLE_UI) && DISABLED(IS_EXTUI)) \
   + (DISABLED(IS_LEGACY_TFT) && ENABLED(TFT_GENERIC)) \
   + (ENABLED(IS_LEGACY_TFT) && COUNT_ENABLED(TFT_320x240, TFT_320x240_SPI, TFT_480x320, TFT_480x320_SPI)) \
@@ -2390,7 +2392,8 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
   + ENABLED(MAKRPANEL) \
   + ENABLED(MALYAN_LCD) \
   + ENABLED(NEXTION_TFT) \
-  + ENABLED(MKS_LCD12864) \
+  + ENABLED(MKS_LCD12864A) \
+  + ENABLED(MKS_LCD12864B) \
   + ENABLED(OLED_PANEL_TINYBOY2) \
   + ENABLED(OVERLORD_OLED) \
   + ENABLED(PANEL_ONE) \
diff --git a/Marlin/src/pins/stm32f1/pins_BTT_SKR_E3_DIP.h b/Marlin/src/pins/stm32f1/pins_BTT_SKR_E3_DIP.h
index 0426e80fd2db..50a533cde2b6 100644
--- a/Marlin/src/pins/stm32f1/pins_BTT_SKR_E3_DIP.h
+++ b/Marlin/src/pins/stm32f1/pins_BTT_SKR_E3_DIP.h
@@ -222,7 +222,7 @@
     #define LCD_BACKLIGHT_PIN               -1
 
   #else
-    #error "Only CR10_STOCKDISPLAY, ZONESTAR_LCD, ENDER2_STOCKDISPLAY, MKS_MINI_12864, and MKS_LCD12864 are currently supported on the BIGTREE_SKR_E3_DIP."
+    #error "Only CR10_STOCKDISPLAY, ZONESTAR_LCD, ENDER2_STOCKDISPLAY, MKS_MINI_12864, and MKS_LCD12864A/B are currently supported on the BIGTREE_SKR_E3_DIP."
   #endif
 
 #endif // HAS_WIRED_LCD