Deborah Lee "Debbie" Slimmon (born 3 April 1967) is a retired Australian women's basketball player.

Slimmon played for the national team between 1987 and 1990, competing at the 1988 Olympic Games in Seoul.

[1][2] Slimmon also represented Australia at the 1985 FIBA Under-19 World Championship held in the United States.

[3] In the domestic competition, Slimmon was the Women's National Basketball League (WNBL) Most Valuable Player on two occasions; 1990 and 1992.

[8][9] In season 1990, Slimmon set a WNBL record with 553 points scored at an average of 22.1 per game.