John Knox

John Knox (4 October 1904 – 10 April 1966) was an Argentine first-class cricketer.

Knox, of Scottish-descent, was born at Buenos Aires in October 1904. He made his debut in first-class cricket for Argentina against the touring Marylebone Cricket Club at Buenos Aires in December 1926, with Knox playing a further four first-class matches against the same opposition the following month. He played two first-class matches for Argentina against a touring Sir J. Cahn's XI in 1930. This score, which was his only first-class century, came for the South Americans against Sussex. He died at Buenos Aires in April 1966.