Billy (Disambiguation)

Billy may refer to:
 * Billy: the bird from the 10th One Piece Movie.
 * Billy (Pirate): a non-canon pirate from the novel version of the Loguetown Arc.
 * Billy (Bandit): a non-canon bandit captured by Roronoa Zoro.
 * Billy (Cook): a non-canon Marine cook from the G-8 Arc.