Miles Armstrong (born 16 April 1986) is a retired Australian tennis player.

Armstrong has a career high ATP singles ranking of 268 achieved on 8 September 2008.

He also has a career high doubles ranking of 318 achieved on 19 October 2009.

Armstrong has won 1 ATP Challenger doubles title at the 2009 McDonald's Burnie International.

This biographical article relating to Australian tennis is a stub.