Michael Austin Cera (pronounced /ˈsɛrə/; born June 7, 1988) is a Canadian actor. His roles have included George Michael Bluth in Arrested Development, Evan in Superbad, Paulie Bleeker in Juno and Nick in Nick and Norah's Infinite Playlist. Cera received two Canadian Comedy Award Best Actor nominations in 2008 for his work in Juno and Superbad, winning for Superbad. He is often typecast as an awkward, sensitive character.

Cera was born in Brampton, Ontario, Canada. He is the son of Linda, a native of Quebec, and Luigi Cera, a Xerox technician who is originally from Sicily. Cera has an older sister, Jordan, and a younger sister, Molly. He attended Conestoga Public School, Robert H. Lagerquist Senior Public School, and then Heart Lake Secondary School until grade nine, but then completed high school through correspondence. His first role was an unpaid appearance in a Tim Hortons summer camp commercial.

Cera's career began when he was cast as Larrabe Hicks in the television series I Was a Sixth Grade Alien in 1999. In 2002, Cera played the young Chuck Barris in Confessions of a Dangerous Mind and provided the voice for Brother Bear in The Berenstain Bears animated series; he also voiced Josh Spitz in the cartoon Braceface. He played George Michael Bluth in the award-winning television series Arrested Development for three seasons before it was cancelled. In 2005, he starred as Harold in the award winning surreal humour short film Darling Darling, for which he was awarded Best Actor at the San Gio Festival in Verona, Italy. In 2006, he created and starred in a parody of Impossible is Nothing, a video résumé created by Aleksey Vayner. He also guest-starred in an episode of teen noir drama Veronica Mars – in the episode "The Rapes of Graff", which also featured Arrested Development co-star Alia Shawkat – and also in the Adult Swim series Tom Goes to the Mayor and Tim and Eric Awesome Show, Great Job!