John William Hearne (known as Jack Hearne, J. W. Hearne and Young Jack to distinguish him from his distant cousin, J. T. Hearne; 11 February 1891 – 14 September 1965) was a Middlesex leg-spinning all-rounder cricketer who played from 1909 to 1936, and represented England in 24 Test matches between 1911 and 1926.