Kotobuki

• Hikaru Kotobuki, Japanese musician
• Minako Kotobuki, Japanese actress, voice actress and singer
• Tsukasa Kotobuki, Japanese character designer and manga artist

  Fictional characters

• Hiyori Kotobuki, a character in the manga series Recently, My Sister Is Unusual
• Shiiko "C-ko" Kotobuki, a character in the anime series Project A-ko
• Tsumugi "Mugi" Kotobuki, a character in the anime/manga series K-On!