Byakuya (written: 白夜 lit. "white night", "short night", or "night under the midnight sun") may refer to:
Byakuya (gelato), a Japanese expensive gelato Byakuya (True Light), a song by Shunichi Miyamoto Four Nights of a Dreamer, a 1971 French film directed by Robert Bresson, released in Japan as Byakuya Byakuya, an Under Night In-Birth character
Fictional characters
Byakuya (InuYasha), a character in the anime and manga series InuYasha Byakuya Kuchiki, a character in the anime and manga series Bleach Byakuya Togami, a character in the visual novel and anime series Danganronpa Byakuya, a character in the light novel and anime series Kakuriyo no Yadomeshi Byakuya Matō, a character in the light visual and anime Fate/Zero Byakuya Jougasaki, a character in the light novel series Chivalry of a Failed Knight Byakuya Ishigami, a character in the manga and anime series Dr. Stone Byakuya Mimori, a character in the manga and anime series The Magical Girl and the Evil Lieutenant Used to Be Archenemies