Barry Atsma is a Dutch actor. He became known in the Netherlands through his role in the TV series Rozengeur & Wodka Lime (2001–2005) and the movie The Black Book. He is a recipient of both a Golden Calf and a Rembrandt Award. Internationally, Atsma is best known for his work on 2014 British film Hector and the Search for Happiness and the 2018 British television series The Split.

Hector and the Search for Happiness is a 2014 comedy-drama film directed by Peter Chelsom and co-written by Chelsom with Tinker Lindsay and Maria von Heland, based on François Lelord's novel of the same name. The film stars Simon Pegg as Hector and Rosamund Pike as Clara.