Karin Lušnic was a Slovenian tennis player who played professionally from 1990 to 1996. Lušnic was a member of Slovenia’s Fed Cup team where she had a 7–4 record. On the ITF circuit she only had one singles victory when she beat Christina Habernigg in straight sets in Croatia in September 1992. She had more success in the doubles, winning four ITF titles between February 1991 and June 1993. Lušnic and Tina Križan competed in the doubles at the 1992 Barcelona Olympics, with the pair losing in the first round.