Mustad Fishing is a Norwegian company that manufactures and sells fishing tackle and accessories since 1877. The Mustad product range includes fish hooks, multifilament and monofilament fishing lines, fishing lures, fishing flies, fly hooks, terminal tackle and fishing apparel. The corporate headquarters are in Gjøvik, Norway.

Gjøvik is a municipality in Innlandet county, Norway. It is located in the traditional district of Toten. The administrative centre of the municipality is the town of Gjøvik. Some of the villages in Gjøvik include Biri, Bybrua, and Hunndalen.