Kenneth Martin Payne (8 September 1912 – 24 April 1988) was a British rower who competed in the 1932 Summer Olympics.
His father had rowed for Cambridge in the Boat Race in 1899 and 1900, and stroked the winning Leander Club four in the Stewards' Challenge Cup at Henley in 1900.
The 1932 crew won the Grand Challenge Cup at Henley Royal Regatta rowing as Leander Club.
They were subsequently chosen to represent Great Britain at the 1932 Summer Olympics in Los Angeles in the eights where they came fourth.
At 19 years, 337 days Payne was the youngest British competitor at the games.