Sir James Crichton-Browne MD FRS FRSE (29 November 1840 – 31 January 1938) was a leading Scottish psychiatrist, neurologist and eugenicist. He is known for studies on the relationship of mental illness to brain injury and for the development of public health policies in relation to mental health. Crichton-Browne's father was the asylum reformer Dr William A.F. Browne, a prominent member of the Edinburgh Phrenological Society and, from 1838 until 1857, the superintendent of the Crichton Royal at Dumfries where Crichton-Browne spent much of his childhood.