Vikersund is a town of 3,232 (in 2020) inhabitants in the municipality capital of Modum, in the county of Buskerud, Norway.

Between Vikersund and Krøderen is Krøderbanen museumsjernbane railway museum.

Tyrifjord Hotell, situated by the fjord opposite Vikersund, just 3 minutes by car from Vikersund Ski-Jumping Center with the world's largest ski flying hill.

It has hosted the FIS Ski Flying World Championships four times and will do so again in 2022.

On 18 March 2017 Stefan Kraft set a world record in the ground with 253.5 m, while Dmitriy Vasiliev flew to 254 m, but crashed.