Kotaro Daigo (醍醐 虎汰朗, Daigo Kotarō, September 1, 2000) is a Japanese actor from Tokyo. He is affiliated with A-Light. In the audition for the feature-length animated movie Weathering with You, directed by Makoto Shinkai and released in 2019, he was selected as the main character, Hodaka Morishima, from among 2000 people. In 2020, he won the New Actor Award at the 14th Voice Actor Awards.

醍醐虎汰朗，是日本男演員，出生於東京都。隸屬於 A-Light。