John Alexander McGillivray (4 January 1853 – 14 February 1911) was a Canadian lawyer and politician.

Born in Pickering Township, Canada West, McGillivray studied law under George Young Smith in Whitby, Lyman English in Oshawa, and Jones Brothers & Mackenzie in Toronto.

He started practicing law with John Billings in Port Perry and later moved to Uxbridge, Ontario.

[1] In 1895, he was acclaimed to the House of Commons of Canada for the riding of Ontario North after the death of the sitting MP Frank Madill.

The election was declared void in December 1896 and he did not run in the resulting by-election.