Three or more fatalities

• Rosøya, outside Sandnessjøen - bombing of prisoner ship MS Rigel - 1944 - 2571 deaths
• Norwegian sea - sinking of HMS Glorious, Acasta and Ardent - 1940 - 1531 deaths
• Outside Lista - bombing of the ship MS Palatia - 1942 - 986 deaths
• Outside Tromsø - bombing of battleship Tirpitz - 1944 - 950-1204 deaths
• Grønningen lighthouse - grounding of the ship Ingermanland - 1842 - 389 deaths
• Drøbaksundet - sinking of Blücher - 1940 - 320-1000 deaths
• Narvik - torpedoing of Eidsvold - 1940 - 175 deaths
• Helligvær, outside Bodø - torpedoing of SS India - 1915 - 160 deaths
• Vågen, Bergen - ammunition explosion - 1944 - 158 deaths
• Operafjellet, Spitsbergen - plane crash - 1996 - 141 deaths
• Lyngør, Tvedestrand - sinking of HDMS Najaden - 1812 - 133 deaths
• Alexander L. Kielland rig, Ekofisk oil field - drilling rig capsizing - 1980 - 123 deaths
• Filipstad, Oslo - ammunition explosion - 1943 - 115 deaths
• Grue church - church fire - 1822 - 113 deaths
• Outside Narvik - sinking of the ship HMS Hunter - 1940 - 112 deaths
• Tranøy, Hamarøy - sinking of the ship SS Barøy - 1941 - 102 deaths
• Narvik - sinking of the ship Norge - 1940 - 101 deaths
• Jørstadelva bridge - train derailment after bridge sabotage - 1945 - 81 deaths
• Utøya summer camp - political camp mass shooting - 2011 - 69 deaths
• Skjelnes, Lavanger - military plane crash - 1944 - 51 deaths
• Nøstet, Bergen - explosions and fire after bombing - 1944 - 42 deaths
• Vestmarka, Asker - plane crash - 1972 - 41 deaths
• Fugløyvær - sinking of submarine Uredd - 1943 - 40 deaths
• Holta, Strand - plane crash - 1961 - 39 deaths
• Sunnfjord - bombing of SS Fidelitas - 1944 - 39 deaths
• Torghatten, Brønnøy - plane crash - 1988 - 36 deaths
• Lødingsfjellet, Hinnøy - flying boat crash - 1947 - 35 deaths
• Hurum - plane crash - 1949 - 34 deaths
• Tafjord - tsunami - 1934 - 34 deaths
• Tretten - train collision - 1975 - 27 deaths
• Sørkedalen, Oslo - military plane crash - 1945 - 24 deaths
• Barentsburg, Svalbard - mine explosion - 1997 - 23 deaths
• Hommelvik Station - train collision - 1940 - 22 deaths
• Oslo Airport Gardermoen - military plane crash - 1945 - 20 deaths
• Hommelvik, Malvik - flying boat crash - 1948 - 19 deaths
• Åsta, Åmot - train collision - 2000 - 19 deaths
• North Sea outside Bergen - helicopter crash - 1978 - 18 deaths
• Tinnsjø - sinking of the ferry SF Hydro - 1944 - 18 deaths
• Vatlestraumen, Bergen - capsizing of the ship Rocknes - 2004 - 18 deaths
• Arctic Ocean outside Nordaustlandet, Svalbard - airship crash - 1928 - 17 deaths
• Voksenkollen, Oslo - military plane crash - 1945 - 17 deaths
• Grytøy, Harstad - military plane crash - 1972 - 17 deaths
• Måbødalen - bus crash - 1988 - 16 deaths
• Sletta, outside Haugesund - high-speed ferry crash (Sleipner) - 1999 - 16 deaths
• Barents Sea outside Gamvik - plane crash - 1982 - 15 deaths
• Hestnutan, Seljord - plane crash - 1944 - 15 deaths
• Hotel Caledonien, Kristiansand - hotel fire - 1986 - 14 deaths
• Kristiansand - the wreck of HMS Claudia - 1809 - 14 deaths
• Hjuksebø - train collision - 1950 - 14 deaths
• Turøy - helicopter crash - 2016 - 13 deaths
• Førdesveten, Sund - military plane crash - 1948 - 13 deaths
• Snarøya, Bærum - plane crash - 1946 - 13 deaths
• Norwegian Sea outside Brønnøysund - helicopter crash - 1997 - 12 deaths
• Nesøya - plane crash - 1963 - 12 deaths
• North Sea, southwest of Sola - helicopter crash - 1977 - 12 deaths
• Siljefjell, Drangedal - plane crash - 1952 - 11 deaths
• Sola Air Station - military plane crash - 1953 - 11 deaths
• Prins Karls Forland, Svalbard - military plane crash - 1967 - 11 deaths
• Bergen harbour - sinking of SS Bärenfels - 1944 - 11 deaths
• Ask, Gjerdrum - landslide - 2020 - 10 deaths
• Foss, Skien - plane crash - 1987 - 10 deaths
• Stord Airport Sørstokken - plane crash - 1998 - 9 deaths
• Bjørnøya - military plane crash - 1954 - 8 deaths
• Government Quarter, Oslo - car bomb - 2011 - 8 deaths
• Sirdal - military plane crash - 1946 - 8 deaths
• Isfjorden outside Barentsburg - helicopter crash - 2017 - 8 deaths
• Lihesten, Hyllestad - seaplane crash - 1936 - 7 deaths
• Svanfjell, Tranøy - military plane crash - 1966 - 7 deaths
• Hopen, Svalbard - military plane crash - 1978 - 7 deaths
• Berg, Overhalla - plane crash - 1993 - 6 deaths
• Nidareid, Trondheim - train collision - 1921 - 6 deaths
• Holmen, Drammen - plane crash - 1969 - 6 deaths
• Kvenvik, Alta - helicopter crash - 2019 - 6 deaths
• Værøy Airport - plane crash - 1990 - 5 deaths
• Strømsveien, Oslo - tram car fire - 1958 - 5 deaths
• Odda - plane crash - 1968 - 5 deaths
• Bodø - plane crash - 1968 - 5 deaths
• Alden, Askvoll - helicopter crash - 1990 - 5 deaths
• Lavangsdalen - bus crash - 2011 - 5 deaths
• Dalamot, Ullensvang - helicopter crash - 2011 - 5 deaths
• Stord Airport - runway overrun plane crash - 2006 - 4 deaths
• Hakkloa, Oslo - military plane crash - 1959 - 4 deaths
• Gråtådalen, Beiarn - military plane crash - 2022 - 4 deaths
• North Sea, southwest of Sola - helicopter crash - 1973 - 4 deaths
• Koppang - ambulance helicopter crash - 1991 - 4 deaths
• Vevring, Førdefjorden - ambulance helicopter crash - 1996 - 4 deaths
• Horten - helicopter crash - 2010 - 4 deaths
• Kvitøya, Svalbard - hot air balloon crash - 1897 - 3 deaths
• Dalsenget Depot, Trondheim - train depot fire - 1956 - 3 deaths
• Mistberget, Eidsvoll - plane crash - 1946 - 3 deaths
• Hommelvik, Malvik - plane crash - 1941 - 3 deaths
• Honningsvåg Airport - military plane crash - 1990 - 3 deaths
• Barentsburg Heliport, Svalbard - helicopter crash - 2008 - 3 deaths
• Sjursøya, Oslo - train crash - 2010 - 3 deaths
• Hatlestad, Bergen - landslide - 2005 - 3 deaths
• Håstein - helicopter crash - 1977 - 3 deaths
• Heerodden, Svalbard - helicopter crash - 2008 - 3 deaths
• Bøneset, Nordkyn - helicopter crash - 1986 - 3 deaths
• Fokstua, Dovrefjell - helicopter crash - 1987 - 3 deaths
• Ekofisk oil field - helicopter crash - 1991 - 3 deaths