Gerald Lehner (born March 12, 1968) is known as an Austrian football referee. He officiated at two matches in the 2006 UEFA European Under-21 Football Championship in Portugal. Normally he works as a plant technician.
Lehner has been a referee with the Austrian Football Association (Österreichische Fußball-Bundesliga) since July 1, 1995 and a FIFA referee since January 1, 2002.