Nina Aigner (born 20 June 1980) is a former Austrian international football player.
She played her entire senior career for Bayern Munich, and also played on the Austrian national team between 1998 and 2006.
Aigner played as a midfield, but was renowned for her goal scoring qualities.
She was the second top scorer of the 2002-03 Bundesliga, next to Inka Grings.
She currently serves as the Austrian national team's assistant coach.