Debra ("Debbie") Lee Flintoff-King, (OAM)[1] (born 20 April 1960) is a retired Australian athlete, and winner of the women's 400 m hurdles event at the 1988 Seoul Olympics.

In 1986, after setting Australian records at both the 400m flat and 400m hurdles during the year, she won both events at the 1986 Edinburgh Commonwealth Games.

Flintoff participated in Prince Edward's charity television special The Grand Knockout Tournament in 1987.

She then won a silver medal at the 1987 World Championships and became the first Australian athlete to win an IAAF Grand Prix Final in that year, taking out her specialty 400m Hurdles event.

She won a gold medal at the 1988 Seoul Olympics despite having just received news of her sister, Noeline's death.