HNoMS Vidar (N52) was a Royal Norwegian Navy minelayer and command vessel.

The vessel was the command ship for NATO's "Mine Counter Measures Force North" (MCMFORNORTH) in 2004 and 2005.

The Lithuanian Navy uses her as a command and support ship.

Her sister ship HNoMS Vale was sold to Latvia in 2003.

This article about a specific military ship or boat of Norway is a stub.