Number Three may refer to:
No. 3, a 1997 South Korean gangster comedy film Nº3, an album by Dot Hacker Number Three (Battlestar Galactica), a character from the re-imagined Battlestar Galactica television series 3 (number), a number, numeral, and glyph A character from the television series The Prisoner Numbuh Three, a character from Codename: Kids Next Door a character from Short Circuit Richard Childress Racing Car No. 3 Number Three (single), a 2012 single by My Chemical Romance "Number Three", a song by They Might Be Giants from the album They Might Be Giants
See also 3 (disambiguation)