Roberto Aguirre-Sacasa is an American playwright, screenwriter, and comic book writer, best known for his Broadway plays Spider-Man: Turn Off The Dark (Foxwoods Theatre) and American Psycho (Gerald Schoenfeld Theatre). Off-Broadway works include Good Boys and True (2econd Stage Theatre) and Based on a Totally True Story (N.Y.C. Center Stage). Regional works include Abigail/1702 (Powerhouse Theater), Doctor Cerberus (South Coast Repertory), King of Shadows (Arena Stage), Rough Magic (Rorschach Theatre), The Velvet Sky (Woolly Mammoth Theatre), Dark Matters (Source Theatre), The Mystery Plays (McGinn/Cazale Theatre), Say You Love Satan (Plaza Theatre), and The Muckle Man (JPAC Theatre).

Aguirre-Sacasa wrote for television episodes of FOX’s Glee, HBO’s Big Love, and HBO’s Looking.

Film credits include an adaptation of Stephen King's Carrie and the screenplay for The Town That Dreaded Sundown.