John Ganly "Jacko" Heaslip (26 November 1899 – 23 May 1966)[1] was an Irish cricketer.
A right-handed batsman and off spin bowler,[1] he played 18 times for the Ireland cricket team between 1920 and 1933,[2] including eight first-class matches.
[2] In 1922 he played a first-class match for Dublin University against Essex,[3] but did not represent Ireland.
[2] He returned to the Irish side in 1923, playing that year against Scotland and Wales.
[1] He also played a first-class match for Dublin University against Northamptonshire in June of that year.