Rene Köster (perfomer name Köster; born October 17, 1989) is an Estonian director, performance artist, musician, choreographer and dancer.

Köster graduated from Tallinn University's choreography department and is a member of the Estonian Union of Dance Art and Dance Education.

In the Estonian drag culture, he is known for the queer party series BÄM! as a founder and since 2023 he is one of the owners of the community bar Hungr.