Martha McCabe (born August 4, 1989) is a Canadian competition swimmer.

[1] At the 2012 Summer Olympics in London, McCabe finished fifth in the final of the 200-metre breaststroke.

[4][2] After competing at the 2016 Summer Olympics in Rio,[5] Martha embarked on a cross Canada drive to inspire the next generation of athletes by stopping at over 45 swim clubs and schools from Victoria, BC to St. John's, NL.

Alongside Matt Bortolussi,[6] the drive spanned 50 days as she spoke to over 3,000 kids, parents, and coaches across the country.

She stated in doing so, she hoped to help other young lesbian swimmers who may be struggling with their sexuality.