George Henry Withers Ewbank (17 October 1839 – 30 April 1885) was an English cricketer. Ewbank's batting and bowling styles are unknown. Born at Alipore in the British Raj, Ewbank made his debut in first-class cricket for a combined team against the Gentlemen of England in 1855 at Lord's. He later played first-class cricket for Sussex, making three appearances in 1857 against the Marylebone Cricket Club, Surrey, and Kent, before making a final appearance in 1860 against the Marylebone Cricket Club. In his five appearances in first-class cricket, Ewbank scored just 10 runs from ten innings, with a high score of 6.