Brett Martin (born 23 January 1963) is a former professional squash player who was among the game's leading players in the late-1980s and early-1990s. Brett was part of the winning Australian team at the 1989 Men's World Team Squash Championships and 1991 Men's World Team Squash Championships and was also a runner-up in the 1993 Men's World Team Squash Championships. He reached a career-high world ranking of World No. 2 in 1994. Martin comes from one of squash's most successful families. His brother Rodney Martin and sister Michelle Martin were also top professional players.