Iain Grandage is an Australian composer and music director, best known for his compositions for theatre, dance and concert.
Grandage was born in Brisbane and his family moved to Perth when he was seven. He studied as a cellist, and also studied composition with Roger Smalley.
He has received the Helpmann Award for Best Original Score multiple times, for play Cloudstreet in 2002, play The Secret River in 2013, dance work When Time Stops in 2014, opera The Rabbits (with Kate Miller-Heidke) in 2015, and concert work Satan Jawa (with Rahayu Supanggah) in 2017.
Grandage received the Sidney Myer Performing Arts Award for an individual in 2012.