Mark Cairns (born 21 June 1967) is a former professional squash player from England.
Cairns reached a career-high world ranking of World No. 7 in 1995. In 1997, he won the British National Squash Championships and teamed-up with Chris Walker to win the men's doubles title at the inaugural World Doubles Squash Championships. Cairns and Walker also teamed-up to win a Bronze Medal in the men's doubles at the 1998 Commonwealth Games.
Mark currently lives in Oxfordshire, and works in property management.