Karin Oberleitner (born 14 March 1968) is an Austrian former professional tennis player.

Oberleitner represented Austria in a 1985 Federation Cup tie against the USSR in Nagoya, where she featured in a dead rubber doubles match with Barbara Pollet, losing to Svetlana Cherneva and Larisa Savchenko.

She competed on the international circuit through the late 1980s and reached a career best singles ranking of 290 in the world.

[1] Her husband is former ATP Tour player Alex Antonitsch and their daughter Mira has played Fed Cup for Austria.

The couple also have a son Sam who is a professional ice hockey player.