Johan Hallström, born Johan Nils Hallström (born 4 March 1976), is a Swedish actor, who studied at Teaterhögskolan i Stockholm. He is the son of famous film director Lasse Hallström and TV producer Malou Hallström. He is also grandson of Prima Ballerina, Brita Appelgren. He has worked in feature films, TV-series, theater and short films.

In theater, he has worked at The Royal Dramatic Theater, Stockholm City Theater and Malmö City Theater, among many others.