Glynis Leanne Nunn-Cearns OAM[1][2] (née Saunders, formerly Nunn; born 4 December 1960) is a former Australian heptathlete, the first Olympic champion in the event.

By the time of the 1982 Commonwealth Games held in Brisbane, she had married decathlete Chris Nunn, and that year the couple moved to Adelaide in South Australia where Chris was studying for a physical education degree at the South Australian College of Advanced Education.

After the competition, there was confusion about who had won, but when the smoke cleared, Nunn had scored 6390 points, five more than runner-up Jackie Joyner-Kersee.

In addition to her gold medal, Nunn was also placed fifth in the 100 m hurdles event, and seventh in the long jump.

She was hampered by many injuries, but won a bronze medal in the high hurdles event at the 1986 Commonwealth Games.