Keisuke Koide is a Japanese actor.
In June 2017, he was exposed to drinking with a minor (17-year-old girl) and had an improper sexual relationship. His agency Amuse Inc. announced that he would cease activities indefinitely. He has reached an out-of-court settlement with that girl. However, Amuse terminated their contract with him in 2018. In October 2018, he went to the United States to continue his performing arts activities.
On August 21st, 2020, he officially announced his comeback. He has signed an exclusive contract with Rhythmedia.