diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 5abb4fd729..13dc6a2b2c 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -2044,10 +2044,10 @@
  *
  * Select the language to display on the LCD. These languages are available:
  *
- *   en, an, bg, ca, cz, da, de, el, el_gr, es, eu, fi, fr, gl, hr, hu, it,
+ *   en, an, bg, ca, cz, da, de, el, el_CY, es, eu, fi, fr, gl, hr, hu, it,
  *   jp_kana, ko_KR, nl, pl, pt, pt_br, ro, ru, sk, sv, tr, uk, vi, zh_CN, zh_TW
  *
- * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cz':'Czech', 'da':'Danish', 'de':'German', 'el':'Greek', 'el_gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'hu':'Hungarian', 'it':'Italian', 'jp_kana':'Japanese', 'ko_KR':'Korean (South Korea)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt_br':'Portuguese (Brazilian)', 'ro':'Romanian', 'ru':'Russian', 'sk':'Slovak', 'sv':'Swedish', 'tr':'Turkish', 'uk':'Ukrainian', 'vi':'Vietnamese', 'zh_CN':'Chinese (Simplified)', 'zh_TW':'Chinese (Traditional)' }
+ * :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cz':'Czech', 'da':'Danish', 'de':'German', 'el':'Greek (Greece)', 'el_CY':'Greek (Cyprus)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'hu':'Hungarian', 'it':'Italian', 'jp_kana':'Japanese', 'ko_KR':'Korean (South Korea)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt_br':'Portuguese (Brazilian)', 'ro':'Romanian', 'ru':'Russian', 'sk':'Slovak', 'sv':'Swedish', 'tr':'Turkish', 'uk':'Ukrainian', 'vi':'Vietnamese', 'zh_CN':'Chinese (Simplified)', 'zh_TW':'Chinese (Traditional)' }
  */
 #define LCD_LANGUAGE en
 
diff --git a/Marlin/src/core/language.h b/Marlin/src/core/language.h
index 7588a7b28c..6c034d6b13 100644
--- a/Marlin/src/core/language.h
+++ b/Marlin/src/core/language.h
@@ -48,8 +48,8 @@
 // cz         Czech
 // da         Danish
 // de         German
-// el         Greek
-// el_gr      Greek (Greece)
+// el         Greek (Greece)
+// el_CY      Greek (Cyprus)
 // en         English
 // es         Spanish
 // eu         Basque-Euskera
diff --git a/Marlin/src/lcd/dogm/fontdata/langdata_el_gr.h b/Marlin/src/lcd/dogm/fontdata/langdata_el_CY.h
similarity index 99%
rename from Marlin/src/lcd/dogm/fontdata/langdata_el_gr.h
rename to Marlin/src/lcd/dogm/fontdata/langdata_el_CY.h
index 8d7cba8615..c3a2264aec 100644
--- a/Marlin/src/lcd/dogm/fontdata/langdata_el_gr.h
+++ b/Marlin/src/lcd/dogm/fontdata/langdata_el_CY.h
@@ -77,7 +77,7 @@ const u8g_fntpgm_uint8_t fontpage_64_166_166[24] U8G_FONT_SECTION("fontpage_64_1
   0x00,0x0C,0x0F,0x00,0xFE,0x00,0x00,0x00,0x00,0x00,0xA6,0xA6,0x00,0x01,0x00,0x00,
   0x00,0x05,0x01,0x01,0x06,0x00,0x00,0xA8};
 
-static const uxg_fontinfo_t g_fontinfo_el_gr[] PROGMEM = {
+static const uxg_fontinfo_t g_fontinfo_el_CY[] PROGMEM = {
   FONTDATA_ITEM(7, 136, 136, fontpage_7_136_136), // 'Έ' -- 'Έ'
   FONTDATA_ITEM(7, 145, 157, fontpage_7_145_157), // 'Α' -- 'Ν'
   FONTDATA_ITEM(7, 159, 161, fontpage_7_159_161), // 'Ο' -- 'Ρ'
diff --git a/Marlin/src/lcd/language/language_el.h b/Marlin/src/lcd/language/language_el.h
index 625c3840d0..21f5ca6503 100644
--- a/Marlin/src/lcd/language/language_el.h
+++ b/Marlin/src/lcd/language/language_el.h
@@ -34,7 +34,7 @@ namespace Language_el {
   using namespace Language_en; // Inherit undefined strings from English
 
   constexpr uint8_t CHARSIZE              = 2;
-  LSTR LANGUAGE                           = _UxGT("Greek");
+  LSTR LANGUAGE                           = _UxGT("Greek (Greece)");
 
   LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" έτοιμος.");
   LSTR MSG_YES                            = _UxGT("ΝΑΙ");
diff --git a/Marlin/src/lcd/language/language_el_CY.h b/Marlin/src/lcd/language/language_el_CY.h
new file mode 100644
index 0000000000..68e9ee1459
--- /dev/null
+++ b/Marlin/src/lcd/language/language_el_CY.h
@@ -0,0 +1,38 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Greek (Cyprus)
+ *
+ * LCD Menu Messages
+ * See also https://marlinfw.org/docs/development/lcd_language.html
+ */
+
+#include "language_el.h"
+
+namespace Language_el_CY {
+  using namespace Language_el; // Inherit undefined strings from Greek (or English)
+
+  constexpr uint8_t CHARSIZE              = 2;
+  LSTR LANGUAGE                           = _UxGT("Greek (Cyprus)");
+}
diff --git a/buildroot/share/fonts/genallfont.sh b/buildroot/share/fonts/genallfont.sh
index bffe715b9d..ebb99b273f 100755
--- a/buildroot/share/fonts/genallfont.sh
+++ b/buildroot/share/fonts/genallfont.sh
@@ -62,7 +62,7 @@ OLDWD=`pwd`
 #
 # By default loop through all languages
 #
-LANGS_DEFAULT="an bg ca cz da de el el_gr en es eu fi fr gl hr hu it jp_kana ko_KR nl pl pt pt_br ro ru sk sv tr uk vi zh_CN zh_TW test"
+LANGS_DEFAULT="an bg ca cz da de el el_CY en es eu fi fr gl hr hu it jp_kana ko_KR nl pl pt pt_br ro ru sk sv tr uk vi zh_CN zh_TW test"
 
 #
 # Generate data for language list MARLIN_LANGS or all if not provided
diff --git a/buildroot/tests/mega2560 b/buildroot/tests/mega2560
index 723d133081..7d28a00d92 100755
--- a/buildroot/tests/mega2560
+++ b/buildroot/tests/mega2560
@@ -215,11 +215,11 @@ exec_test $1 $2 "MEGA2560 RAMPS | Redundant temperature sensor | 2x MAX6675" "$3
 #
 #restore_configs
 #opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT
-#for lang in an bg ca cz da de el el_gr en es eu fi fr gl hr hu it jp_kana nl pl pt pt_br ro ru sk sv tr uk vi zh_CN zh_TW test; do opt_set LCD_LANGUAGE $lang; echo "compile with language $lang ..."; exec_test $1 $2 "Stuff" "$3"; done
+#for lang in an bg ca cz da de el el_CY en es eu fi fr gl hr hu it jp_kana nl pl pt pt_br ro ru sk sv tr uk vi zh_CN zh_TW test; do opt_set LCD_LANGUAGE $lang; echo "compile with language $lang ..."; exec_test $1 $2 "Stuff" "$3"; done
 #
 #restore_configs
 #opt_enable REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT
-#for lang in an bg ca cz da de el el_gr en es eu fi fr gl hr hu it jp_kana nl pl pt pt_br ro ru sk sv tr uk vi zh_CN zh_TW test; do opt_set LCD_LANGUAGE $lang; echo "compile with language $lang ..."; exec_test $1 $2 "Stuff" "$3"; done
+#for lang in an bg ca cz da de el el_CY en es eu fi fr gl hr hu it jp_kana nl pl pt pt_br ro ru sk sv tr uk vi zh_CN zh_TW test; do opt_set LCD_LANGUAGE $lang; echo "compile with language $lang ..."; exec_test $1 $2 "Stuff" "$3"; done
 
 ######## Example Configurations ##############
 #