William Menzies Tweedie (19 February 1826– 19 March 1878) was a Scottish portrait-painter.
[1][2] He was born in Glasgow, the son of David Tweedie, a lieutenant in the Royal Marines, and Mary Menzies.
He entered the Edinburgh Academy at the age of sixteen, and remained there for four years, gaining a prize for the best copy of William Etty's picture The Combat.
[3] In 1843 Tweedie exhibited a portrait in oils at the Royal Scottish Academy.
He exhibited four pictures, studies and figure-subjects, at the British Institution, 1857–60, and 33 in all, portraits with only a few exceptions, at the Royal Academy.