Jarlsberg is a former county of Norway.
Jarlsberg may also refer to: Counts of Wedel-Jarlsberg Jarlsberg cheese Jarlsberg Avis, a newspaper Jarlsberg Manor Jarlsberg Travbane, a horse racing track Jarlsberg Tunnel Tønsberg Airport, Jarlsberg Vestfold was until 1919 known as Jarlsberg and Larvik County Wedel Jarlsberg Land in Svalbard