| 1 Jan, 2023 (Sun) | New Year's Day | National holiday |
| 2 Jan, 2023 (Mon) | Day after New Year's Day | National holiday |
| 6 Jan, 2023 (Fri) | Epiphany | Observance, Orthodox |
| 7 Jan, 2023 (Sat) | Synaxis of St. John the Baptist | Observance |
| 24 Jan, 2023 (Tue) | Unification Day | National holiday |
| 19 Feb, 2023 (Sun) | Constantin Brancusi Day | Observance |
| 24 Feb, 2023 (Fri) | Dragobete | Observance |
| 1 Mar, 2023 (Wed) | Mărțișor | Observance |
| 8 Mar, 2023 (Wed) | International Women's Day | Observance |
| 21 Mar, 2023 (Tue) | March Equinox | Season |
| 14 Apr, 2023 (Fri) | Orthodox Good Friday | National holiday, Orthodox |
| 16 Apr, 2023 (Sun) | Orthodox Easter Day | National holiday, Orthodox |
| 17 Apr, 2023 (Mon) | Orthodox Easter Monday | National holiday, Orthodox |
| 1 May, 2023 (Mon) | Labor Day / May Day | National holiday |
| 7 May, 2023 (Sun) | Mothers' Day | Observance |
| 10 May, 2023 (Wed) | Monarchy Day | Observance |
| 10 May, 2023 (Wed) | National Independence Day | Observance |
| 14 May, 2023 (Sun) | Fathers' Day | Observance |
| 25 May, 2023 (Thu) | Orthodox Ascension Day | Observance, Orthodox |
| 1 Jun, 2023 (Thu) | Children's Day | National holiday |
| 4 Jun, 2023 (Sun) | Orthodox Pentecost | National holiday, Orthodox |
| 5 Jun, 2023 (Mon) | Orthodox Pentecost Monday | National holiday, Orthodox |
| 21 Jun, 2023 (Wed) | June Solstice | Season |
| 26 Jun, 2023 (Mon) | Flag Day | Observance |
| 29 Jul, 2023 (Sat) | National Anthem Day | Observance |
| 15 Aug, 2023 (Tue) | St Mary's Day | National holiday |
| 23 Sep, 2023 (Sat) | September Equinox | Season |
| 31 Oct, 2023 (Tue) | Halloween | Observance |
| 30 Nov, 2023 (Thu) | St Andrew's Day | National holiday |
| 1 Dec, 2023 (Fri) | National Day | National holiday |
| 8 Dec, 2023 (Fri) | Constitution Day | Observance |
| 22 Dec, 2023 (Fri) | December Solstice | Season |
| 24 Dec, 2023 (Sun) | Christmas Eve | Observance |
| 25 Dec, 2023 (Mon) | Christmas Day | National holiday |
| 26 Dec, 2023 (Tue) | Second day of Christmas | National holiday |
| 31 Dec, 2023 (Sun) | New Year's Eve | Observance |
