Andrew Wynter (1819 – 12 May 1876, in Chiswick) was an English physician and author.
Born in Bristol, Wynter studied medicine at St George's Hospital and set up a London practice.
He edited the British Medical Journal 1845–60, took a M.D.
Wynter was a frequent contributor to periodicals, including Ainsworth's Magazine, the Cornhill Magazine, Fraser's Magazine, the Edinburgh Review, the Quarterly Review, the London Review, Good Words, and Once a Week.
As a doctor, Wynter specialized in insanity, taking wealthy patients as residents at his Chiswick home.