Reginald John Gladstone FRSE FRCS LRCP MZS (1865–1947) was a British anatomist and embryologist.
He made study trips to both Vienna and Vancouver (the latter representing the British Medical Association) to increase his knowledge of embryology.
His proposers were Arthur Robinson, Joseph Strickland Goodall, John Cameron, and David Waterston.
In 1913 he moved to King's College, London as a Reader and Lecturer in Anatomy (specialising in Embryology) and stayed there until retiral in 1938.
Up until 1941 he lived at 22 Court Lane Gardens in Dulwich, a pleasant rural-ambience suburb of London, but his house was destroyed by a bomb during The Blitz.