Hiroyuki Ito (伊藤 裕之, Itō Hiroyuki?), also credited with the spelling Hiroyuki Itou, is a Japanese game producer, game director and game designer who has been working for Square Enix since 1987. He is known for being the director of Final Fantasy VI (1994), Final Fantasy IX (2000) and Final Fantasy XII (2006). He is also known for being the game designer of Final Fantasy V (1992) and Final Fantasy Tactics (1997).
Hiroyuki Ito is the inventor of various gameplay systems used in the Final Fantasy series. Notable examples of his work include the Active Time Battle (ATB) system, Ability Points (AP) system, Job Change system, Accessory system, Esper system, Relic system, Charge Time Battle (CTB) system, Guardian Force (GF) system, Junction system, Triple Triad card game, Active Time Event (ATE) system, Mognet, Tetra Master card game, Active Dimension Battle (ADB) system, License Board system and Gambits system.