Jason Sudeikis was born Daniel Jason Sudeikis on September 18, 1975, in Fairfax, Virginia, to Daniel Joseph Sudeikis, a vice-president of business development, and Kathryn (née Wendt),a travel agent at Brennco and President of the American Society of Travel Agents. He has Lithuanian, Irish, and German ancestry and two younger sisters, Lindsay, a high school teacher and basketball coach, and Kristen Sudeikis, an actress and dancer in New York City.
His maternal uncle is actor George Wendt. Sudeikis grew up in Overland Park, Kansas, where he attended Brookridge Elementary School before transferring to Holy Cross Catholic School. He later attended Jesuit Rockhurst High School and Shawnee Mission West High School, but did not finish his education at Fort Scott Community College on a basketball scholarship.
He began performing improvisational comedy at ComedySportz (now called Comedy City) in Kansas City. Sudeikis moved to Chicago, Illinois, where he studied at the Annoyance Theatre and ImprovOlympic, and was one of the founding members of the long-form team, J.T.S. Brown, in 1998. He performed with Boom Chicago in Amsterdam, Netherlands, and was later cast in The Second City's National Touring Company.
In the early 2000s, he became a founding member of The Second City Las Vegas. In 2003, Sudeikis was hired as a sketch writer for Saturday Night Live (SNL) and occasionally made bit appearances as audience members or extras. He became a featured player in May 2005 and was upgraded to repertory status in 2006. In July 2013, Sudeikis announced that he was leaving SNL, but still occasionally makes appearances.
Sudeikis is known for starring in films such as Horrible Bosses (2011),Hall Pass (2011),We're the Millers (2013),Horrible Bosses 2 (2014),Sleeping with Other People (2015),Mother's Day (2016),Masterminds (2015),The Book of Love (2017),Colossal (2016),and voicing the character of Red in the animated-comedy, The Angry Birds Movie (2016).
From November 2011 until November 2020, Sudeikis was in a relationship with Olivia Wilde, with whom he has two children, Otis Alexander Sudeikis (born April 20, 2014) and Daisy Josephine Sudeikis (born October 11, 2016).