Percival Samuel Blight (8 January 1887 – 25 March 1955), who played under the name Sam Bligh, was a New Zealand rugby union and rugby league player. A rugby union hooker, Bligh represented Buller and West Coast at a provincial level, and was a member of the New Zealand national side, the All Blacks, in 1910 whilst playing his provincial rugby for the West Coast and club rugby for the Blackball Rugby Club.