| Date | Holiday | Type | Notes |
|---|---|---|---|
| 01 Jan 2023 | New Year's Day | National | |
| 06 Jan 2023 | Epiphany | National | |
| 07 Apr 2023 | Good Friday | National | |
| 01 May 2023 | Labour Day | National | |
| 28 Jul 2023 | Day of Cantabria Institutions | Regional | Applies to CB |
| 15 Aug 2023 | Assumption Day | National | |
| 12 Oct 2023 | Hispanic Day | National | |
| 01 Nov 2023 | All Saints' Day | National | |
| 06 Dec 2023 | Constitution Day | National | |
| 08 Dec 2023 | Immaculate Conception | National | |
| 25 Dec 2023 | Christmas Day | National |