| 1 Jan, 2026 (Thu) | Western New Year's Day | National Holiday |
| 2 Jan, 2026 (Fri) | Second Day of Western New Year's Day | National Holiday |
| 4 Jan, 2026 (Sun) | Father’s Day | Observance, Orthodox |
| 6 Jan, 2026 (Tue) | First Day of Baptism | Orthodox, Optional Holiday |
| 7 Jan, 2026 (Wed) | Christmas Day | National Holiday, Orthodox |
| 14 Jan, 2026 (Wed) | New Year | Observance, Orthodox |
| 27 Jan, 2026 (Tue) | Spirituality Day/St Sava's Day | Observance |
| 15 Feb, 2026 (Sun) | Statehood Day of the Republic of Serbia | National Holiday |
| 16 Feb, 2026 (Mon) | Statehood Day of the Republic of Serbia observed | National Holiday |
| 17 Feb, 2026 (Tue) | Statehood Day of the Republic of Serbia (Day 2) | National Holiday |
| 18 Feb, 2026 (Wed) | Ramadan Start (Tentative Date) | Observance |
| 8 Mar, 2026 (Sun) | Mother’s Day | Observance, Orthodox |
| 20 Mar, 2026 (Fri) | Eid al-Fitr (Tentative Date) | Muslim, Optional Holiday |
| 20 Mar, 2026 (Fri) | March Equinox | Season |
| 3 Apr, 2026 (Fri) | Western Good Friday | Christian, Optional Holiday |
| 4 Apr, 2026 (Sat) | Western Easter Saturday | Christian, Optional Holiday |
| 5 Apr, 2026 (Sun) | Western Easter Sunday | Christian, Optional Holiday |
| 6 Apr, 2026 (Mon) | Western Easter Monday | Christian, Optional Holiday |
| 10 Apr, 2026 (Fri) | Good Friday | National Holiday, Orthodox |
| 11 Apr, 2026 (Sat) | Holy Saturday | National Holiday, Orthodox |
| 12 Apr, 2026 (Sun) | Easter Day | National Holiday, Orthodox |
| 13 Apr, 2026 (Mon) | Easter Monday | National Holiday, Orthodox |
| 22 Apr, 2026 (Wed) | Holocaust Remembrance Day | Observance |
| 1 May, 2026 (Fri) | Labor holiday | National Holiday |
| 2 May, 2026 (Sat) | Labor Day Holiday | National Holiday |
| 9 May, 2026 (Sat) | Victory Day | Observance |
| 27 May, 2026 (Wed) | First Day of Eid al-Adha (Tentative Date) | Muslim, Optional Holiday |
| 21 Jun, 2026 (Sun) | June Solstice | Season |
| 28 Jun, 2026 (Sun) | St Vitus' Day | Observance |
| 21 Sep, 2026 (Mon) | Yom Kippur | Hebrew, Optional Holiday |
| 23 Sep, 2026 (Wed) | September Equinox | Season |
| 21 Oct, 2026 (Wed) | World War II Victims Remembrance Day | Observance |
| 11 Nov, 2026 (Wed) | Armistice Day | National Holiday |
| 22 Dec, 2026 (Tue) | December Solstice | Season |
| 25 Dec, 2026 (Fri) | First Day of Western Christmas | Christian, Optional Holiday |
| 31 Dec, 2026 (Thu) | Western New Year's Eve | Observance |
