Tatupu is a Samoan surname that may refer to the following notable people: Josh Tatupu (born 1986), New Zealand-born Samoan rugby league and rugby union footballer Lofa Tatupu (born 1982), American football linebacker, son of Mosi Mosi Tatupu (1955–2010), National Football League special teamer and running back from American Samoa Shem Tatupu (born 1968), New Zealand rugby league and rugby union footballer Tony Tatupu (born 1969), New Zealand and Western Samoa rugby league footballer