Rain Raadik (born 17 May 1989) is an Estonian professional basketball player who plays for Valga-Valka/Maks & Moorits of the Estonian Korvpalli Meistriliiga and the Latvian Basketbola Līga. He is a 2.08 m (6 ft 10 in) tall power forward and center. He also represents the Estonian national basketball team internationally.