Geraldine Aizenberg (born 31 January 1978) is an Argentine former professional tennis player.

Aizenberg reached a best singles ranking of 180 in the world.

One of her best performances was a runner-up finish at the $50k Jakarta tournament in 1997.

[1] As a doubles player, Aizenberg won five titles on the ITF Circuit.

In 1998, she appeared in the main draw of WTA Tour tournaments in Maria Lankowitz, Palermo, and Sopot.