Leon Small is a fictional character from the BBC soap opera EastEnders and its Internet spin-off EastEnders: E20, played by Sam Attwater. He made his first appearance in EastEnders on 5 January and appears in all twelve episodes of the first series of EastEnders: E20. The character was created by a team of 13 writers aged between 17 and 22 and is described as sexy and cool with a short fuse and a lack of respect for those in authority. The character's departure was announced on 11 May 2010 and his last appearance was on 30 September 2010.

EastEnders: E20 is a British Internet soap opera, which began airing on 8 January 2010. A spin-off from the established BBC soap EastEnders, it is set in EastEnders' regular setting of Albert Square, a Victorian square in the fictional borough of Walford, in the East End of London. Each series follows a group of teenage characters: Zsa Zsa Carter, Leon Small, Fatboy and Mercy Olubunmi in series 1; Asher Levi and his brother Sol, Naz Mehmet, and Stevie Dickinson in series 2; and Ava Bourne, Donnie Lester and Faith Olubunmi in series 3. The show's title comes from Walford's fictional London postcode district, E20. The four characters from series 1 also appear in EastEnders, as well as Faith from series 3.