Allen Covert (born October 13, 1964) is an American comedian and actor.

Covert was born in West Palm Beach, Florida. A longtime friend of Adam Sandler, he is a familiar face to Sandler fans, having appeared in twelve of Sandler's movies. He also frequently writes for Sandler's films and comedy albums. He raised his profile as Sandler's best friend and town limousine driver in The Wedding Singer (1998), before taking on smaller roles as villains or antagonists such as the lecherous nerdy journalist in Mr. Deeds (2002) and a braggart romantic rival in Anger Management (2003), a film for which he was also executive producer. He also played Sandler's gay friend in Big Daddy (1999). He even played the role of a short-term memory loss patient, 10-Second Tom in 50 First Dates (2004). He also had a large part in the movie Little Nicky as Nicky's roommate, a role in which Covert gained 40 pounds and shaved his hairline to reflect the character.. Covert also had a brief role in a King Of Queens television episode that Sandler and friend Peter Dante was also a guest-star on as well as an episode where he was the towel guy. Covert was educated at New York University, where he was a classmate of Sandler.

Covert cameoed alongside Sandler in an episode of the short lived, but highly critically acclaimed comedy by Judd Apatow, Undeclared. (Episode: The Assistant).

Covert had his first starring role in the early 2006 release Grandma's Boy for Sandler's Happy Madison production company. Covert is also one of the screenwriters for the Happy Madison production The Benchwarmers, which was released April 7, 2006.

Covert is married to Kathryn Covert and has one child.

Gained 40 pounds for his role in Little Nicky (2000).

Has worked with Adam Sandler (I) in 12 of his 15 feature films.

Gained 60 pounds for his role as Marty in Mr. Deeds (2002).

Has acted with Adam Sandler (I) in 13 films, and worked as a producer on 6 of Adam Sandler (I)'s films.

Met Adam Sandler (I) when they attended New York University together.

Worked at the Improv in Los Angeles as a doorman, along with another Adam Sandler (I) regular, Jonathan Loughran.

Worked with Drew Barrymore (I) in three films; Wedding Singer, The (1998), Never Been Kissed (1999), and 50 First Dates (2004).