N.B.: We have a separate category for accommodation in Rovaniemi: Rovaniemi accommodation
N.B.: We have a separate category for log cabins and other cottages: Cottage recommendations by Santa Club
Arctic Circle Hotel (Suomu, Suomutunturi):

Arctic Light Boutique Hotel:

Aurora Village (Ivalo):
Crazy Reindeer (Hullu Poro, a highly recommended hotel, restaurants, Skylights: The Elves Cottage, The Snow Restaurant, The Recreational Centre):
Harriniva Holiday Centre:
Holiday Stars (accommodation in Levi, Salla, Saariselkä, Ylläs and Southern Finland, e.g. Alp Houses in Levi): and
Holiday Village Gulo Gulo - apartments next to Ranua Zoo (Ranua):
Holiday Village Kuerkaltio (apartments), Ylläs:
Holiday Village Samperin Savotta (hotel and restaurant in the municipality of Savukoski, Santa's home):
Hotel Herkko (Taivalkoski, Taivalvaara):
Hotel Ilveslinna (Ranua):
Hotel Inari (Inari):
Hotel Inarin Kultahovi (Inari):
Hotel Iso-Syöte (Iso-Syöte, included on the list "Romantic hotels around the World TOP 10 in 2014" by The Telegraph Luxury, luxurious Eagle's View Suite especially recommended): and
Hotel Ivalo (many kind of activities):
Hotel Kuusamonportti (15 km from Kuusamo and 200 km from Rovaniemi):
Hotel Levi Panorama:
Hotel Laanihovi (Saariselkä):
Hotel Pellonhovi & Erähovi Wilderness Lodge (Pello, 110 km from Rovaniemi):
Hotel Royal Ruka:
Hotel Santa Claus (the new Christmas theme hotel with four star comfort in Rovaniemi):
Hotel Seitahotelli (Äkäslompolo, near Kittilä):
Hotel City Hotel Tornio:
Hotel World online bookings:
Hotel Ylläs-Humina (Ylläs, quite near to Kittilä and Kolari, many activities):
Hotel Ylläsrinne (Ylläs, 35 km from Kittilä airport, activities):
Hotel Ylläs-Saaga (a hotel with a very nice spa department, Ylläs):
Inn Seita (Äkäslompolo, near Kittilä):
Jokitörmä Holiday Village & Hostel (bungalows, log cabins, cottages, rooms, camping & caravan, Kaamanen):
K5 Levi (new hotel rooms and apartments and many activities at Levi):
Kaamasen Kievari (cottages, rooms & apartments, 28 km north of Inari):
Kemihaara (apartments and a wilderness lodge in Savukoski):
Kiilopää Fell Centre - Gate to the Urho Kekkonen National Park (hotel, hostel, cottages, apartments, terraced house, dormitories, caravan site, many activities):
Lapinleuku Wilderness Hotel (22 km from Ivalo):
Lapin Sampo Apartments (Saariselkä):
Levi Albatross Apartments (Levi):
Levi Alphouses (Levi):
Levin Alppi Alphouse Apartments (Levi):
Levi Apartments "Levin Villat" (Levi):
Levihovi Apartments (Levi):
Levilehto apartments (former Matkailumaja chalets, Levi):
Levin Kolmio Alphouse Apartments (Levi):
Levin Kultarinne Alphouse Apartments (Levi):
Levin Rinnehovi Alphouse Apartments (Levi):
Levin Ykköspaikka Alphouse Apartments (Levi):
Levi President (Levi):
Levinuotti Apartments (Levi):
Loma-Paksu (Levi):
Lomatähdet - Holiday Stars (Levi, Saariselkä, Salla, Ylläs):
Marjanalppi Alphouse Apartments (Levi): and
Moonlight Apartment Hotel (Levi):
Myllyniemi Apartments (Muonio):

Nellim Wilderness Hotel with Aurora Bubble & Sarmi Aurora Lodge (an adventure based ecotourism company in Northern Lapland, in new Aurora Bubbles you can fall asleep looking up at the star-lit sky from your cozy bed):
North Village (Saariselkä Central Booking Office):
Nuorgam Holiday Resort (the northernmost point in EU): and
Oivangin Lomakartano Bungalows (Kuusamo):
Omena Hotel (Ruka):
Otsomaani Log Castle Apartments (Levi):
Pan Village Oulanka - the ecological holiday village near the Oulanka National Park, many activities (Salla): and 
Paradise Spa Kuusamon Tropiikki in Kuusamo:
Peera Hostel & Hiking:
Peurasuvanto Holiday Village:
Polar Meetings Apartments:
Pyhä Booking:
Rakkatasku Apartments (Levi):
Reindeer Farm Sanila (accommodation, hiking, fishing in Sevettijärvi, 170 kilometers from Ivalo, bus connection from Rovaniemi):
Riekko Hotels (Saariselkä):
RukaTonttu (a hotel, apartments, a restaurant and a sauna in Ruka):
Saariselkä Inn - Gasthaus Saariselkä (Saariselän Panimo):
Saariselkä Spa Hotel (the northernmost spa hotel in the world!):
Santa Claus Holiday Village (ask a free airport transfer!):
Santa's Resort (Kakslauttanen, Saariselkä):
Ski Inn Hotels and Apartments (Pyhä & Ruka):
Snow Castle Hotel Kemi:
Snow Hotel Lainio (opens on December 1st every year, Ylläs & Levi):
Spa Hotel Levitunturi:
Tahko Online Booking Centre:
Tanka-loma Apartments (Sodankylä):
Toilailevi Apartments (Levi):
Ukonjärvi Holiday Village (Ivalo):
Visatupa (a pleasant countryside holiday place at a modern dairy cattle farm between Rovaniemi and Sodankylä, many activities, accommodation in rooms or in apartments):
Vuontispirtti Mountain Hotel:
Wilderness Hotel Nellim (Saariselkä region, Eastern Lapland):
Youth Holiday Centre Vasatokka (Inari):