Lieutenant General Sir James Whiteside McCay KCMG, KBE, CB, VD (21 December 1864 – 1 October 1930) was an Australian general and politician.A graduate of the University of Melbourne, where he earned Master of Arts and Master of Laws degrees, McCay established a successful legal practice, McCay & Thwaites. He was a member of the Victorian Parliament for Castlemaine from 1895 to 1899, where he was a champion of women's suffrage and federation.