- Traditional Chinese Character(HanT):
古天樂
- Simplified Chinese Character(HanS):
古天乐
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨˇ ㄊㄧㄢ ㄌㄜˋ (ㄍㄊㄌ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej3wu0 xk4" (ej3wu0xk4)
- 「古天乐」的漢語拼音: Gu3 Tian1 Le4
- (ASCII) Hanyu Pinyin: "gutianle" "Gu3Tian1Le4" "Gu3 Tian1 Le4" (GTL)
- (Latin) Hànyǔ Pīnyīn: GǔTiānLè [ Gǔ Tiān Lè ]
- (英文翻譯) English Translation: "Louis Koo"
- (西語翻譯) Traducción Español: "Luis Koo"
- (日文翻譯) 日本語翻訳: "ルイス・クー"