Paul Andrew Schneider (born March 16, 1976) is an American actor best known for his portrayal of Dick Liddil in the epic western film The Assassination of Jesse James by the Coward Robert Ford (2007) and his lead role as Mark Brendanawicz on the first and second seasons of the NBC political satirical sitcom Parks and Recreation (2009–10). He also appeared in lead roles in the romantic drama film All the Real Girls (2003) and the comedy film The Babymakers (2012), the former of which he co-wrote with David Gordon Green and was nominated for the Gotham Independent Film Award for Breakthrough Performer.

He has since appeared in supporting roles in films such as Elizabethtown (2005), Lars and the Real Girl (2007), Away We Go (2009), Water for Elephants (2011), Hello Carter (2013), Rules Don't Apply (2016), Brothers by Blood (2020), and American Murderer (2022). For his portrayal of Charles Armitage Brown in the biographical romantic drama film Bright Star (2009), Schneider won the National Society of Film Critics Award for Best Supporting Actor. He was also awarded Best Actor in a Narrative Feature at the Tribeca Film Festival for his performance in the romantic comedy drama film Goodbye to All That (2014).