Ronald Guttman (born 12 August 1952 Uccle, Belgium) is a Belgian actor, theatrical producer and film producer.
He has appeared in TV shows such as Lost, Lipstick Jungle, Heroes, The West Wing, Star Trek: Voyager, Sex and the City and Mad Men. He had a recurring role as Alexander Cambias, Sr. on the daytime soap opera All My Children and spots on Law & Order, Law & Order: Criminal Intent and Law & Order: Special Victims Unit. Guttman's performances also include a production of The Fifth Column, a play by Ernest Hemingway, and movies such as The Tollbooth, 27 Dresses, The Guru and August Rush.
His company, Highbrow Entertainment, has produced stage and film projects including The Tollbooth, Masked, The Fifth Column, DAI and New York Street Games.