| 1 Jan, 2026 (Thu) | New Year's Day | National Holiday |
| 19 Mar, 2026 (Thu) | Saint Joseph's Day | Observance |
| 20 Mar, 2026 (Fri) | March Equinox | Season |
| 2 Apr, 2026 (Thu) | Maundy Thursday | National Holiday, Christian |
| 3 Apr, 2026 (Fri) | Good Friday | National Holiday, Christian |
| 11 Apr, 2026 (Sat) | Battle of Rivas | National Holiday |
| 1 May, 2026 (Fri) | Labor Day | National Holiday |
| 21 Jun, 2026 (Sun) | Father's Day | Observance |
| 21 Jun, 2026 (Sun) | June Solstice | Season |
| 25 Jul, 2026 (Sat) | Annexation of Guanacaste | National Holiday |
| 2 Aug, 2026 (Sun) | Our Lady of Los Ángeles | Non Compulsory Payment Holiday |
| 15 Aug, 2026 (Sat) | Mother's Day | National Holiday |
| 24 Aug, 2026 (Mon) | National Parks Day | Observance |
| 9 Sep, 2026 (Wed) | Children's Day | Observance |
| 15 Sep, 2026 (Tue) | Independence Day | National Holiday |
| 22 Sep, 2026 (Tue) | September Equinox | Season |
| 2 Nov, 2026 (Mon) | All Souls' Day | Observance |
| 22 Nov, 2026 (Sun) | Teacher's Day | Observance |
| 1 Dec, 2026 (Tue) | Day of Abolition of the Army | Non Compulsory Payment Holiday |
| 8 Dec, 2026 (Tue) | Feast of the Immaculate Conception | Observance |
| 21 Dec, 2026 (Mon) | December Solstice | Season |
| 25 Dec, 2026 (Fri) | Christmas Day | National Holiday, Christian |
| 31 Dec, 2026 (Thu) | New Year's Eve | Observance |
