Mardi Lunn (born 9 January 1968) is an Australian professional golfer. Her sister, Karen Lunn, is also a professional golfer. Lunn played on several tours including the ALPG Tour, LPGA Tour, and Ladies European Tour. She has won five times worldwide. Lunn has won once on the LPGA Tour in 1999. Lunn also took part in the largest playoff in LPGA Tour history at the 1999 Jamie Farr Kroger Classic. Se Ri Pak birdied the first sudden-death playoff hole to defeat Lunn, Karrie Webb, Carin Koch, Sherri Steinhauer, and Kelli Kuehne. After retiring in 2006, Lunn has been a caddie for Lisa Hall on the Ladies European Tour.

Professional wins

LPGA Tour wins (1)

LPGA Tour playoff record (0–1)

ALPG Tour wins (2)

Ladies European Tour wins (1)

Ladies Asia Golf Circuit wins

Team appearances

Amateur