Amanda Coetzer (born 22 October 1971, in Hoopstad) is a South African former professional tennis player.

Coetzer finished in the WTA rankings top 20 for ten consecutive seasons (1992–2001), peaking at world No.

By virtue of scoring so many upset wins in spite of her five-foot-two (1.58m) stature, she gained the nickname: "The Little Assassin".

During her career, she resided primarily in Hilton Head, South Carolina and was coached by Gavin Hopper, later by Lori McNeil.

3, Gabriela Sabatini, in Boca Raton, and Jennifer Capriati at the Italian Open, entering into the top 20 in August.

At the Canada Masters in 1995, Coetzer defeated three players ranked in the world's top 5 – Steffi Graf (No.

4, Monica Seles, on her way to the final of Tokyo, thereby becoming the only player to ever defeat Graf, Hingis and Davenport while they were ranked number one.

Her final singles title was won in Acapulco in 2003, and her career prize-money earnings totalled $6 million.