Norma Croker Fleming (11 September 1934 – 21 August 2019) was an Australian sprinter.

[1] Croker was educated at Brisbane State High School.

[2] At the 1956 Summer Olympics in Melbourne, Australia, she placed 4th in the individual 200 metres race, but won the gold medal in 4 x 100 metres relay, together with Shirley Strickland, Fleur Mellor and Betty Cuthbert.

At the 1960 Summer Olympics she was a member of the Australian relay team which was disqualified in the heats and also finished 15th in the long jump.

[5] In 2009 Croker was inducted into the Queensland Sport Hall of Fame.