David Denman (born July 25, 1973) is an American actor. He made his film debut in The Replacements (2000) before his breakout role as Roy Anderson on the NBC sitcom The Office (2005–2008; 2011–2012), which earned him a Screen Actors Guild Award.

In the 2010s and 2020s, Denman had main television roles as Mike Reilly on the Fox sitcom Traffic Light (2011), Mark Holter on the Cinemax horror series Outcast (2016–2017), and Frank Sheehan on the HBO Max miniseries Mare of Easttown (2021). He had starring roles in the films Puzzle (2018), Brightburn (2019), Greenland (2020), The Equalizer 3 (2023), and Rebel Ridge (2024).