Silvia Weissteiner (born 13 July 1979 in Sterzing/Vipiteno) is an Italian long-distance runner.

She won her first major continental medal at the 2007 European Athletics Indoor Championships.

Her bronze medal performance with a run of 8:44.81 was a new Italian indoor record, marking an improvement of over twelve seconds for the distance.

[1] She has enjoyed success at the Mediterranean Games, having won consecutive 5000 m bronze medals at the 2005 and 2009 editions.

[2] Silvia Weissteiner has won the individual national championship 17 times.