Steve Routman (born August 28, 1962) is an American actor. He has appeared in many guest and supporting roles in film and television, including three films directed by Martin Scorsese: The Wolf of Wall Street (2013), The Irishman (2019), and Killers of the Flower Moon (2023). Other notable on-screen credits include Madoff (2016), Fosse/Verdon (2019), and The Trial of the Chicago 7 (2020). Routman has also performed extensively on stage, such as in the original Broadway productions of "La Bête" and "The Dance of Death."