George Onslow Deane (11 December 1828 – 16 February 1929) was an English cricketer.
He died on 16 February 1929 at Dymock, Gloucestershire aged 100 years and 77 days.
He made a single first-class appearance for Hampshire against an All-England Eleven in 1848 at Southampton.
[5] Deane was dismissed twice for a duck in this match, by William Hillyer in Hampshire's first-innings, and by John Wisden in their second-innings.
His son John Drummond Deane-Drummond by his first marriage to Caroline Betha Vansittart (died 1919, daughter of William Vansittart, previously married to Reginald Wynniatt) was father to Anthony Deane-Drummond.