Nigel Sydney Augustine Harrison (29 November 1878 – 13 November 1947) was an English cricketer. Harrison was a right-handed batsman who bowled right-arm fast-medium. He was born at Maidstone, Kent, and was educated at Haileybury.Harrison made his first-class debut for London County against Warwickshire in 1900. He made three further first-class appearances for London County in that season, against Worcestershire, Warwickshire, and the Marylebone Cricket Club.