Hiroyuki Ito (伊藤 裕之, Itō Hiroyuki), also credited with the spelling Hiroyuki Itou, is a Japanese game producer, director and designer who works for Square Enix. He is known as the director of Final Fantasy VI (1994), Final Fantasy IX (2000) and Final Fantasy XII (2006) and as the creator of the Active Time Battle (ATB) system. He was responsible for the battle systems in Final Fantasy IV, V, VI, VIII, IX, XII and Final Fantasy Tactics.