John Ewbank Leefe FLS (1813–1889) was an English amateur botanist and vicar in the Church of England.
[4] He became in 1841 a vicar at St Mary the Virgin, Saffron Walden (near the Audley End House and Gardens).
[5] He was a member of the Tynesides Naturalists' Field Club (founded in 1846), became their vice-president, and president from 1873 to 1874.
They had 5 children, James Octavian (1846–1846), Constance Maria (1848–1875), John Beckwith (1849–1922), Henry Ewbank (1851–1901), and Charles Octavius (1854–1897).
[7] Charles Octavius Leefe became an executive engineer in the British Raj's Indian Civil Service and died of cholera.