Sandvika (help·info) is the administrative centre of the municipality of Bærum in Norway. It was declared a city by the municipal council in Bærum on 4 June 2003.
Sandvika is situated approximately 15 kilometres (9.3 mi) west of Oslo. It is the main transportation hub for Western Bærum, and has a combined bus and railway station. Sandvika is also one of the stops along the route of the Airport Express Train. Sandvika also has Scandinavia's largest super mall, Sandvika Storsenter, with 190 stores and total area of 60 000 m2.
Sandvika used to be home to the BI Norwegian Business School business school. This school moved to new surroundings in Nydalen in August 2005. The building was after some refurbishing converted into the home of Sandvika High School.