- Traditional Chinese Character(HanT):
坂口理子
- Simplified Chinese Character(HanS):
坂口理子
- Bopomofo(Mandarin Phonetic Symbols): ㄅㄢˇ ㄎㄡˇ ㄌㄧˇ ㄗˇ (ㄅㄎㄌㄗ)
- Bopomofo(Zhuyin Keyboard Input/IME): 103d.3xu3y3
- (ASCII) Hanyu Pinyin: "bankoulizi" "Ban3Kou3Li3Zi3" "Ban3 Kou3 Li3 Zi3" (BKLZ)
- (Latin) Hànyǔ Pīnyīn: BǎnKǒuLǐZǐ [ Bǎn Kǒu Lǐ Zǐ ]
- (英文翻譯) English Translation: "Riko Sakaguchi"
- (西語翻譯) Traducción Español: "Riko Sakaguchi"
- (日文翻譯) 日本語翻訳: "坂口理子"