Sidney King (1885–1972) was an English cricketer. King's batting style is unknown. He was born at Rushden, Northamptonshire. King made his first-class debut for Northamptonshire against Gloucestershire in the 1907 County Championship. He made three further first-class appearances, the last of which came against Hampshire in the 1908 County Championship. In his four first-class matches, he scored 47 runs at an average of 9.40, with a high score of 23.He died at the town of his birth sometime in 1977.