William Barclay McMurrich
 William Barclay McMurrich (November 1 1842 – February 9 1939) was a Canadian lawyer and politician. He was the mayor of Toronto from 1881 to 1882.Born in Toronto the son of John McMurrich and Janet Dixon McMurrich was educated at Knox Academy and Upper Canada College. He received a Bachelor of Arts degree in 1863 and a Master of Arts degree in 1864 from the University of Toronto. He then studied law and was called to the Bar in 1866.