The iO West (formerly known as the "ImprovOlympic West") was the Los Angeles branch of the iO in Chicago. The theater was located at 6366 Hollywood Blvd., in Hollywood, California. In addition to presenting improv and sketch comedy shows every night, the iO West had improv training classes and was the home for the Los Angeles Improv Comedy Festival. On February 24, 2018, iO West ceased operations. The Chicago theater still operates.