| Date | Holiday | Type | Notes |
|---|---|---|---|
| 01 Jan 2023 | New Year's Day | National | |
| 21 Feb 2023 | Carnival | National | |
| 22 Feb 2023 | Carnival Holiday | National | |
| 07 Apr 2023 | Good Friday | National | |
| 21 Apr 2023 | Tiradentes Day | National | |
| 01 May 2023 | Labour Day | National | |
| 08 Jun 2023 | Corpus Christi | National | |
| 07 Sep 2023 | Independence Day | National | |
| 12 Oct 2023 | Our Lady of Aparecida | National | |
| 19 Oct 2023 | Piauí State Day | National | Applies to PI |
| 02 Nov 2023 | All Souls' Day | National | |
| 15 Nov 2023 | Republic Day | National | |
| 25 Dec 2023 | Christmas Day | National |