| 1 Jan, 2023 (Sun) | New Year's Day | Public holiday |
| 2 Jan, 2023 (Mon) | New Year's (Day 2) | Public holiday |
| 3 Jan, 2023 (Tue) | New Year Holiday | Local holiday |
| 6 Jan, 2023 (Fri) | Orthodox Christmas Eve | Optional Holiday |
| 7 Jan, 2023 (Sat) | Orthodox Christmas Day | Optional Holiday |
| 9 Jan, 2023 (Mon) | Day of the Republika Srpska | Local holiday |
| 14 Jan, 2023 (Sat) | Orthodox New Year | Local holiday, Orthodox |
| 14 Feb, 2023 (Tue) | Valentine's Day | Observance |
| 1 Mar, 2023 (Wed) | Independence Day | Public holiday |
| 8 Mar, 2023 (Wed) | Mothers' Day | Observance |
| 8 Mar, 2023 (Wed) | Brčko District Establishment Day | Local holiday |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 23 Mar, 2023 (Thu) | Ramadan Start | Observance |
| 7 Apr, 2023 (Fri) | Good Friday | Optional Holiday |
| 8 Apr, 2023 (Sat) | Holy Saturday | Observance |
| 9 Apr, 2023 (Sun) | Easter Sunday | Optional Holiday |
| 10 Apr, 2023 (Mon) | Easter Monday | Optional Holiday |
| 14 Apr, 2023 (Fri) | Orthodox Good Friday | Optional Holiday |
| 15 Apr, 2023 (Sat) | Orthodox Holy Saturday | Observance, Orthodox |
| 16 Apr, 2023 (Sun) | Orthodox Easter Sunday | Optional Holiday |
| 17 Apr, 2023 (Mon) | Orthodox Easter Monday | Optional Holiday |
| 21 Apr, 2023 (Fri) | End of Ramadan | Optional Holiday |
| 22 Apr, 2023 (Sat) | End of Ramadan Holiday | Optional Holiday |
| 1 May, 2023 (Mon) | Labor Day | Public holiday |
| 2 May, 2023 (Tue) | Labor Day (Day 2) | Public holiday |
| 9 May, 2023 (Tue) | Victory Day | Working holiday |
| 9 May, 2023 (Tue) | Victory Day | Local holiday |
| 18 Jun, 2023 (Sun) | Fathers' Day | Observance |
| 21 Jun, 2023 (Wed) | June Solstice | Season |
| 28 Jun, 2023 (Wed) | Feast of the Sacrifice | Optional Holiday |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 31 Oct, 2023 (Tue) | Halloween | Observance |
| 1 Nov, 2023 (Wed) | All Saints' Day | Local holiday |
| 21 Nov, 2023 (Tue) | Dayton Peace Agreement Day | Local holiday |
| 25 Nov, 2023 (Sat) | Statehood Day | Local holiday |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 24 Dec, 2023 (Sun) | Christmas Eve | Optional Holiday |
| 25 Dec, 2023 (Mon) | Christmas Day | Optional Holiday |
| 31 Dec, 2023 (Sun) | New Year's Eve | Observance |
