Sheer Networks is a networking company founded in 1999. It was headquartered in San José, California, USA. Sheer's solutions were marketed globally through direct sales, as well as through leading SI and VARs around the world.

It sold Network management system.

Sheer Networks CEO was Klod Ghez. Sheer Networks founders were Ariel Noy, Sharon Barkai and Sunil Kishen.

In 2005, Cisco Systems acquired Sheer Networks.