David Walliams (born David Williams) is a British comedy actor, best known for his partnership with Matt Lucas in the sketch show Little Britain.

Walliams and Lucas have also appeared as grotesque caricatures of various rock musicians in the series Rock Profile, and in the spoof documentary series Sir Bernard's Stately Homes. He was educated at Bristol University, where he was in the year below Simon Pegg. Unlike Lucas, who is openly gay, Walliams is straight and has been linked to a number of women in the British tabloids.

Walliams is a professional name, for Equity purposes. This was sent up in Rock Profile, in which Robbie Williams is always referred to as 'Robbie Walliams'.

One of David's earliest TV appearances was as "The Lift" on the first series of the CBBC gameshow Incredible Games in 1994.

Among the characters played by Walliams in Little Britain are Emily Howard the "rubbish transvestite", mad Scottish hotel owner Ray McCooney and Sebastian, a camp aide to the Prime Minister on whom he has a huge crush.

In 1999 together with Mark Gatiss, he wrote and appeared in a Doctor Who parody The Web of Caves. He also performed in the Big Finish Productions Doctor Who audio play Phantasmagoria, written by Gatiss.

In 2003 he also appeared in an episode of EastEnders. He also appeared in the first episode of 'Agatha Christie's Marple'