Jarlsberg is a popular semi-hard cheese that originates from Norway, known for its mild, nutty, and slightly sweet flavor. Its name is derived from the Norwegian town of Jarlsberg, where it was first produced. While the name 'Jarlsberg' is unique in itself, there are still some synonyms that can be used to describe this delicious cheese. Some of the most common synonyms for Jarlsberg include Norwegian Swiss cheese, Danbo cheese, and Emmental cheese. These three cheeses are similar to Jarlsberg in taste and texture, making them a great substitute if you can't find Jarlsberg in your local supermarket or cheese shop.