Iain Kevan Morris (born 6 August 1973) is an English writer. He is best known for creating the E4 sitcom The Inbetweeners alongside his writing partner Damon Beesley, and co-hosting a show on London radio station XFM with stand-up comic Jimmy Carr.

He featured in two episodes of cult spoof programme Look Around You, as well as on Carr's second live DVD, as a panellist on a feature named Comedy Idol. Other writing credits include two episodes of HBO's Flight of the Conchords, the BBC football sitcom The First Team (2020), and the screenplay for Taika Waititi's sports comedy Next Goal Wins (2023).