Lydia Prugger (born 22 January 1969) from Ramsau am Dachstein is an Austrian ski mountaineer.
Prugger was inspired ski mountaineering by her father and later by her husband, who is a trained mountain guide.
She has held the women's record at the Hochwurzen-Berglauf since 2006, and has been member of the national team since the foundation of the ASKIMO.