There are many options for fjord cruises in Norway, and the "best" one will depend on individual preferences and priorities. Here are some of the top options based on search results:

1. Hurtigruten: This cruise line offers voyages through the fjords in refined comfort, with options for kayaking, biking, walking, and small-boat excursions.

2. Cunard: This upmarket cruise line is known for cultural immersion, with shore excursions that include a visit to the former home of composer Edvard Grieg and a concert in the unusual, turf-covered Troldsalen concert hall.

3. Norwegian: This cruise lines latest vessel is a Prima Class ship carrying 3,215 passengers, with features like infinity pools and a glass-walled sauna.

4. Mostraumen: This day cruise from Bergen offers a unique fjord experience through narrow fjords, steep mountain sides, and mighty waterfalls.

5. Celebrity Cruises: This cruise line offers luxury Norway cruises with options for seeing the stunning Norwegian fjords, including the "crown jewel" Geirangerfjord and neighboring Hjørundfjord, where activities like fjord fishing and kayaking are available.

Ultimately, the best fjord cruise in Norway will depend on individual preferences for cruise line, itinerary, activities, and budget.