Thialf is an ice arena in Heerenveen, Netherlands. Thialf consists of the Thialf-hal and the Elfstedenhal. Thialf is used for long track speed skating, short track speed skating, ice hockey, figure skating, ice speedway, and non-sporting events. The outdoor rink was opened in 1967, and the indoor stadium was opened in 1986. Several world records have been set in the indoor stadium.

Heerenveen is a town and municipality in the province of Friesland (Fryslân), in the Northern Netherlands. In 2021, the town had a population of 29,790 while the municipality had a population 50,859.