Jonathan Daniel Hamm (born March 10, 1971) is an American actor. He is best known for his role as Don Draper in the period drama series Mad Men (2007–2015), for which he won numerous accolades, including a Primetime Emmy Award and two Golden Globe Awards.

Hamm also acted in lead roles in the films Stolen(2010), Million Dollar Arm (2014), Keeping Up with the Joneses (2016), Beirut (2018), and Confess, Fletch (2022), as well as his supporting roles in The Town (2010), Sucker Punch (2011), Bridesmaids (2011), Baby Driver (2017), Tag (2018), Bad Times at the El Royale (2018), The Report (2019), Lucy in the Sky (2019), Richard Jewell (2019), No Sudden Move (2021), and Top Gun: Maverick (2022). He voiced roles in Shrek Forever After (2010), Minions (2015), Transformers One (2024), and Hoppers (2026).