Amanda Coetzer is a South African former professional tennis player.
Coetzer turned professional in 1988 and retired in 2004. She won her first top-level singles title in 1993 in Melbourne, and her second later that year in Tokyo. Coetzer entered the top twenty on the women's world rankings in 1992 and remained there for most of the next ten years.
At the Australian Open in 1996, Coetzer became the first South African woman in the Open era to reach a Grand Slam semifinal, where she lost in three sets to
Anke Huber. In 2000, Coetzer teamed-up with Wayne Ferreira to win the Hopman Cup for South Africa. She also was a member of South Africa's Fed Cup team for six years and represented South Africa at the Olympic Games on three occasions.
In her career, Coetzer won nine top-level singles titles and nine doubles titles. Her final singles title was won in Acapulco in 2003.