| January | New Year’s Day | 2023-01-01 Sunday | Legal holidays |
| Reconquest Day | 2023-01-02 Monday | Local festivals | |
| Epiphany | 2023-01-06 Friday | Legal holidays | |
| St. Valero’s Feast | 2023-01-29 Sunday | Local festivals | |
| February | Carnival / Ash Wednesday | 2023-02-22 Wednesday | Holidays or anniversaries |
| Day of Andalucía | 2023-02-28 Tuesday | Local festivals | |
| Mar. | Day of the Balearic Islands | 2023-03-01 Wednesday | Local festivals |
| Fifth of March | 2023-03-06 Monday | Local festivals | |
| San Jose | 2023-03-19 Sunday | Common local holidays | |
| April | Palm Sunday | 2023-04-02 Sunday | Holidays or anniversaries |
| Maundy Thursday | 2023-04-06 Thursday | Common local holidays | |
| Good Friday | 2023-04-07 Friday | Legal holidays | |
| Orthodox Easter Day | 2023-04-09 Sunday | Holidays or anniversaries | |
| Orthodox Easter Monday | 2023-04-10 Monday | Common local holidays | |
| St George’s Day | 2023-04-23 Sunday | Local festival | |
| Castile and León Day | 2023-04-23 Sunday | Local festival | |
| Day of Aragón | 2023-04-24 Monday | Local festival | |
| May | Labor Day / May Day | 2023-05-01 Monday | Legal holidays |
| Day of Madrid | 2023-05-02 Tuesday | Local festivals | |
| Mother’s Day | 2023-05-07 Sunday | Holidays or anniversaries | |
| Feast Day of St Isidore | 2023-05-15 Monday | Local festivals | |
| Galicia Literature Day | 2023-05-17 Wednesday | Local festivals | |
| Pentecost | 2023-05-28 Sunday | Holidays or anniversaries | |
| Orthodox Pentecost Monday | 2023-05-29 Monday | Local festivals | |
| Day of the Canary Islands | 2023-05-30 Tuesday | Local festivals | |
| Day of Castile-La Mancha | 2023-05-31 Wednesday | Local festivals | |
| June | Corpus Christi | 2023-06-08 Thursday | Holidays or anniversaries |
| Day of Murcia | 2023-06-09 Friday | Local festivals | |
| Day of La Rioja | 2023-06-09 Friday | Local festivals | |
| San Antonio | 2023-06-13 Tuesday | Local festivals | |
| Saint John the Baptist Day | 2023-06-24 Saturday | Local festivals | |
| Eid ul Adha | 2023-06-29 Thursday | Local festivals | |
| July | Feast of Saint James the Apostle | 2023-07-25 Tuesday | Local festivals |
| Day of the Institutions | 2023-07-28 Friday | Local festivals | |
| August | The Day of Our Lady of Africa | 2023-08-05 Saturday | Local festivals |
| The Day of Cantabria | 2023-08-13 Sunday | Local festivals | |
| Assumption of Mary | 2023-08-15 Tuesday | Legal holidays | |
| September | Day of the Independent City of Ceuta | 2023-09-02 Saturday | Local festivals |
| Day of Asturias | 2023-09-08 Friday | Local festivals | |
| Day of Extremadura | 2023-09-08 Friday | Local festivals | |
| Virgin of the Victory | 2023-09-08 Friday | Local festivals | |
| Day of Catalonia | 2023-09-11 Monday | Local festivals | |
| Nuestra Señora de la Bien Aparecida | 2023-09-15 Friday | Local festivals | |
| Day of Melilla | 2023-09-17 Sunday | Local festivals | |
| October | Day of the Valencian Community | 2023-10-09 Monday | Local festivals |
| Hispanic Day | 2023-10-12 Thursday | Legal holidays | |
| November | All Saints Day | 2023-11-01 Wednesday | Legal holidays |
| December | Day of Navarre | 2023-12-03 Sunday | Local festivals |
| Constitution Day | 2023-12-06 Wednesday | Legal holidays | |
| Immaculate Conception | 2023-12-08 Friday | Legal holidays | |
| Christmas Eve | 2023-12-24 Sunday | Holidays or anniversaries | |
| Christmas Day | 2023-12-25 Monday | Legal holidays | |
| St Stephen’s Day | 2023-12-26 Tuesday | Local festivals | |
| New Year’s Eve | 2023-12-31 Sunday | Holidays or anniversaries | |
| Feast of the Holy Family | 2023-12-31 Sunday | Holidays or anniversaries |
