| 1 Jan, 2026 (Thu) | New Year's Day | National holiday |
| 21 Jan, 2026 (Wed) | Princess Ingrid Alexandra's Birthday | Flag Day |
| 6 Feb, 2026 (Fri) | Saami National Day | Flag Day |
| 8 Feb, 2026 (Sun) | Mother’s Day | Observance |
| 14 Feb, 2026 (Sat) | Valentine's Day | Observance |
| 15 Feb, 2026 (Sun) | Carnival | Observance |
| 21 Feb, 2026 (Sat) | King Harald V's Birthday | Flag Day |
| 8 Mar, 2026 (Sun) | International Women's Day | Observance |
| 20 Mar, 2026 (Fri) | March Equinox | Season |
| 29 Mar, 2026 (Sun) | Palm Sunday | Observance |
| 29 Mar, 2026 (Sun) | Daylight Saving Time starts | Clock Change/Daylight Saving Time |
| 2 Apr, 2026 (Thu) | Maundy Thursday | National holiday |
| 3 Apr, 2026 (Fri) | Good Friday | National holiday |
| 4 Apr, 2026 (Sat) | Holy Saturday | Observance |
| 5 Apr, 2026 (Sun) | Easter Sunday | National holiday |
| 6 Apr, 2026 (Mon) | Easter Monday | National holiday |
| 1 May, 2026 (Fri) | Labor Day | National Holiday, Flag Day |
| 8 May, 2026 (Fri) | Day of Liberation | Observance, Flag Day |
| 14 May, 2026 (Thu) | Ascension Day | National holiday |
| 17 May, 2026 (Sun) | 17 May Constitution Day (1814) | National Holiday, Flag Day |
| 23 May, 2026 (Sat) | Whit Saturday | Observance |
| 24 May, 2026 (Sun) | Whit Sunday | National holiday |
| 25 May, 2026 (Mon) | Whit Monday | National holiday |
| 7 Jun, 2026 (Sun) | Dissolution of Union With Sweden (1905) | Flag Day |
| 21 Jun, 2026 (Sun) | June Solstice | Season |
| 23 Jun, 2026 (Tue) | Midsummer Eve | Observance |
| 24 Jun, 2026 (Wed) | St. John's Day | Observance |
| 4 Jul, 2026 (Sat) | Queen Sonja's Birthday | Flag Day |
| 20 Jul, 2026 (Mon) | Crown Prince Haakon's Birthday | Flag Day |
| 29 Jul, 2026 (Wed) | St. Olaf's Day | Flag Day |
| 19 Aug, 2026 (Wed) | Crown Princess Mette-Marit's Birthday | Flag Day |
| 23 Sep, 2026 (Wed) | September Equinox | Season |
| 24 Oct, 2026 (Sat) | United Nations Day | Observance |
| 25 Oct, 2026 (Sun) | Repentance Day | Observance |
| 25 Oct, 2026 (Sun) | Daylight Saving Time ends | Clock Change/Daylight Saving Time |
| 31 Oct, 2026 (Sat) | Halloween | Observance |
| 1 Nov, 2026 (Sun) | All Saints' Day | Observance |
| 8 Nov, 2026 (Sun) | Father’s Day | Observance |
| 29 Nov, 2026 (Sun) | First Advent Sunday | Observance |
| 6 Dec, 2026 (Sun) | Second Advent Sunday | Observance |
| 13 Dec, 2026 (Sun) | Third Advent Sunday | Observance |
| 20 Dec, 2026 (Sun) | Fourth Advent Sunday | Observance |
| 22 Dec, 2026 (Tue) | December Solstice | Season |
| 24 Dec, 2026 (Thu) | Christmas Eve | Observance |
| 25 Dec, 2026 (Fri) | Christmas Day | National holiday |
| 26 Dec, 2026 (Sat) | Boxing Day | National holiday |
| 31 Dec, 2026 (Thu) | New Year's Eve | Observance |
