Sten Karpov (born July 2, 1984 in Võru) is an Estonian actor.

Sten Karpov was born and raised in Võru. He graduated from Võru Kreutzwald High School in 2003. He received his acting education at the Viljandi Academy of Culture of the University of Tartu (2003–2007, VI flight, course instructor Kalju Komissarov).

From 2007 to 2014, Karpov worked as an actor at the Endla Theater in Pärnu. From 2014 to 2016, he was an actor in Vanemuine. Since 2016, he has been an actor in Endla again.

He has also participated in Estonian Drama Theater productions, project musicals ("Fame") and TV series. He had a central role in the short film "Pink Cardigan".