Sean Richardson (born August 28, 1973) is a professional rugby league footballer of the 1990s and 2000s playing at club level for Blackbrook (in Blackbrook, St Helens), Featherstone Rovers, Castleford Tigers, Widnes Vikings (twice), Wakefield Trinity Wildcats, Dewsbury Rams, Leigh Centurions, and Batley Bulldogs as a Second-row, or Loose forward/Lock.