Michelle Kettner (born 19 February 1973 in Melbourne) is a former Australian female weightlifter, competing in the 69 kg category and representing Australia at international competitions, having held Commonwealth, Oceania and Australian records. She participated at the 2000 Summer Olympics in the 69 kg event. She competed at six world championships (1993, 1994, 1995, 1997, 1998, 1999), most recent was the 1999 World Weightlifting Championships.In 2000 she became the first Australian female to snatch 100 kg and set Australian records in both the snatch and clean and jerk in that year.