Jonas Karlsson (born 11 March 1971) is a Swedish actor, playwright and author.
He is known to the Swedish public for his roles in the Royal Dramatic Theater in Stockholm and his film roles, and in 2007 he also debuted as a writer. He is the author of 4 collections of short stories and 3 novels. For three of his books he received the award named after Ludvig Nordström. Some critics identify Karlsson as a follower of surrealism.
The Rain Man was published in 2019.