Daniel Beirne (born August 12, 1982) is a Canadian actor. He is most noted for his performance as Mackenzie King in the 2019 film The Twentieth Century,^[1] for which he won the Vancouver Film Critics Circle award for Best Actor in a Canadian Film at the Vancouver Film Critics Circle Awards 2019^[2] and was a Canadian Screen Award nominee for Best Actor at the 8th Canadian Screen Awards.^[3]

He also starred in the films Great Great Great,^[4] Suck It Up,^[5] and I Like Movies. He has had television roles as Sonny Greer in Fargo, Gary Goldman in Workin' Moms, Nick in Ginny and Georgia, Tommy in The Guest Book,^[6] and the Drive-Thru Guy in Humour Resources, and appeared in the web series Space Riders: Division Earth,^[7] The Bitter End,^[8] Dad Drives,^[9] Ghost BFF^[10] and Detention Adventure.

He won a Canadian Screen Award in 2015 as a co-creator and producer of Space Riders: Division Earth, and has won two Canadian Comedy Awards as a writer and creator of Dad Drives^[11] and Space Riders: Division Earth.

He has also previously been a music writer and editor of the blog Said the Gramophone, selected by Time magazine as one of the 25 best blogs in the world in 2009.^[12][8]