John Turnbull of Abbey St Bathans WS FRSE (1820–1891) was a 19th-century Scottish lawyer, landowner, archaeologist and naturalist.
John was born on 3 March 1820 at Abbey St Bathans House in the Scottish Borders, the son of Grace Brunton and her husband, George Turnbull of Abbey St Bathans.
Around 1834 he was apprenticed as a lawyer in his father's office at 16 Thistle Street in Edinburgh's First New Town.
[2] Following his father's death in 1855 he inherited both the legal office and the houses at George Square and Abbey St Bathans.
His proposers were Thomas Stevenson, David Smith, James Leslie and Peter Guthrie Tait.