Frank Semu Pritchard (born 3 November 1983), also known by the nicknames "Cranky" and "Frank the Tank", is a former professional rugby league footballer who represented New Zealand and Samoa at international level. A second-row, he played in the National Rugby League for Sydney clubs the Penrith Panthers, Canterbury-Bankstown Bulldogs and the Parramatta Eels during the 2000s and 2010s. Pritchard also played in the Super League for English club Hull FC.