Sir Nigel Gresley Ball, 3rd Baronet (27 August 1892 – July 1978) was Professor of Botany at Ceylon University College, Sri Lanka, (1924-1943).
Ball was the younger son of Sir Charles Bent Ball and his wife Annie Julia Kinahan.
He was educated at Trinity College, Dublin, graduating BA, DSc, and later MA.
He served with the Royal Dublin Fusiliers and was promoted to captain.
On 21 December 1945, Ball succeeded his brother as a baronet (3rd UK Baronet Ball, of Merion Square, Dublin and Killybegs, County Donegal, created 1911).