Vikinglotto (formerly known in Denmark as Onsdags Lotto, "Wednesday Lotto", as Víkingalottó in Iceland, and as Vikingų Loto in Lithuania) is a partnership between the national lotteries of Norway, Sweden, Denmark, Iceland, Finland, Latvia, Lithuania, Estonia, Slovenia (in 2017) and Belgium (in 2020).

[3] Draws are held at 20:00 CET every Wednesday evening, and they take place at Norsk Tipping in Hamar, Norway.

[better source needed] Tickets can be purchased online or from authorised retailers in each of the ten participating countries.

[better source needed] For every line or combination a player enters into the draw, they must select six numbers, which can be any distinct integers from 1 to 48.

This arrangement differs from EuroMillions and Eurojackpot, where all prize categories are common to all participating countries.