Mjøsund Bridge (Norwegian: Mjøsundbrua) is a cantilever bridge in Ibestad Municipality and Salangen Municipality in Troms county, Norway.

It is part of the Norwegian County Road 848 that crosses the Mjøsundet strait between the mainland of Norway and the island of Andørja.

The 840-metre (2,760 ft) long Mjøsund Bridge was opened in 1994 and it cost 203 million kr.

The longest span is 184.75 metres (606.1 ft) and the clearance for boats below the bridge is 35 metres (115 ft).

The bridge lies just north of where the Salangen fjord and Astafjorden meet.