John Edmund Mulaney (born August 26, 1982) is an American stand-up comedian, actor, writer, and producer. Born and raised in Chicago, Illinois, Mulaney first rose to prominence for his work as a writer for the NBC sketch comedy series Saturday Night Live from 2008 to 2013, where he contributed to numerous sketches and characters, including Stefon, a recurring character that he and Bill Hader co-created. Since he departed from SNL, Mulaney has hosted it six times, becoming a member of the SNL Five Timers Club in 2022.

Mulaney's stand-up specials include The Top Part(2009), New in Town (2012), The Comeback Kid (2015), Kid Gorgeous (2018), and Baby J (2023). He won two Primetime Emmy Awards for Outstanding Writing for a Variety Special for Kid Gorgeous, and Baby J. Mulaney released a children's musical comedy special on Netflix, John Mulaney & the Sack Lunch Bunch (2019).