| 1 Jan, 2023 (Sun) | New Year's Day | National holiday |
| 6 Jan, 2023 (Fri) | Army Day | National holiday |
| 5 Mar, 2023 (Sun) | Rebellion Anniversary | Regional holiday |
| 6 Mar, 2023 (Mon) | National Day of Tolerance and Coexistence | National holiday |
| 11 Mar, 2023 (Sat) | Anniversary of Signing of the March 11, 1970 Agreement | Regional holiday |
| 14 Mar, 2023 (Tue) | Birth Anniversary of the Immortal Barzani | Regional holiday |
| 21 Mar, 2023 (Tue) | Nowruz | National holiday |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 22 Mar, 2023 (Wed) | Nowruz Holiday | Regional holiday |
| 23 Mar, 2023 (Thu) | Nowruz Holiday | Regional holiday |
| 23 Mar, 2023 (Thu) | Ramadan Start | Observance |
| 27 Mar, 2023 (Mon) | Public Holiday | National holiday |
| 5 Apr, 2023 (Wed) | Yazidi New Year | Regional holiday |
| 9 Apr, 2023 (Sun) | Baghdad Liberation Day | Regional holiday |
| 9 Apr, 2023 (Sun) | Fall of the Defunct Dictatorial Regime and the Liberation of Iraq Day | Regional holiday |
| 20 Apr, 2023 (Thu) | Eid al-Fitr holiday | National holiday |
| 21 Apr, 2023 (Fri) | Eid al-Fitr | National holiday |
| 22 Apr, 2023 (Sat) | Eid al-Fitr holiday | National holiday |
| 23 Apr, 2023 (Sun) | Eid al-Fitr holiday | National holiday |
| 24 Apr, 2023 (Mon) | Eid al-Fitr holiday | National holiday |
| 1 May, 2023 (Mon) | Labor Day | National holiday |
| 21 Jun, 2023 (Wed) | June Solstice | Season |
| 27 Jun, 2023 (Tue) | Eid al-Adha holiday | Government Holiday |
| 28 Jun, 2023 (Wed) | Eid al-Adha | National holiday |
| 29 Jun, 2023 (Thu) | Eid al-Adha holiday | National holiday |
| 30 Jun, 2023 (Fri) | Eid al-Adha holiday | National holiday |
| 1 Jul, 2023 (Sat) | Eid al-Adha holiday | National holiday |
| 2 Jul, 2023 (Sun) | Eid al-Adha holiday | Government Holiday |
| 14 Jul, 2023 (Fri) | Republic Day | National holiday |
| 19 Jul, 2023 (Wed) | Islamic New Year | National holiday |
| 29 Jul, 2023 (Sat) | Ashura | National holiday |
| 31 Jul, 2023 (Mon) | Ashura Holiday | National holiday |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 27 Sep, 2023 (Wed) | The Prophet's Birthday (Tentative Date) | National holiday |
| 3 Oct, 2023 (Tue) | Iraqi Independence Day | National holiday |
| 10 Dec, 2023 (Sun) | Anniversary of Victory over ISIS | National holiday |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 25 Dec, 2023 (Mon) | Christmas Day | National holiday |
| 31 Dec, 2023 (Sun) | New Year's Eve | Observance |
