Diplom-Is AS is a Norwegian manufacturer of ice cream owned by the dairy group Tine.

Among the most notable own brands are Royal, Dream, Krone-Is, Pin-Up, Lollipop, Sandwich, Pia, Gullpinne, Gigant and Klin Kokos.

[1] By 1931 the production went on continually through the year, and Oslo got its own ice cream truck.

Though having a common brand, it was not until 1991 that all the production of ice cream by the dairies was collected in one company, Norsk Iskrem BA (lit.

On 30 September 2010 Unilever signed an asset purchase agreement with the Norwegian dairy group TINE, to acquire the activities of Diplom-Is in Denmark.