| Jan 1, 2023 | Sunday | New Year's Day |
| Jan 2, 2023 | Monday | New Year's Day observed |
| Jan 14, 2023 | Saturday | Birthday of Yang di-Pertuan Besar |
| Jan 22, 2023 | Sunday | Chinese Lunar New Year's Day |
| Jan 23, 2023 | Monday | Chinese Lunar New Year Holiday |
| Feb 1, 2023 | Wednesday | Federal Territory Day |
| Feb 4, 2023 | Saturday | Thaipusam |
| Feb 18, 2023 | Saturday | Isra and Mi'raj (Tentative Date) |
| Mar 4, 2023 | Saturday | Anniversary of the Coronation of the Sultan of Terengganu |
| Mar 23, 2023 | Thursday | Birthday of the Sultan of Johor |
| Apr 7, 2023 | Friday | Good Friday |
| Apr 8, 2023 | Saturday | Nuzul Al-Quran |
| Apr 15, 2023 | Saturday | Declaration of Malacca as Historical City |
| Apr 22, 2023 | Saturday | Hari Raya Puasa (Tentative Date) |
| Apr 23, 2023 | Sunday | Hari Raya Puasa Day 2 (Tentative Date) |
| Apr 26, 2023 | Wednesday | Birthday of the Sultan of Terengganu |
| May 1, 2023 | Monday | Labour Day |
| May 22, 2023 | Monday | Pahang State Holiday |
| May 30, 2023 | Tuesday | Harvest Festival |
| May 31, 2023 | Wednesday | Second Day of Harvest Festival |
| Jun 1, 2023 | Thursday | Gawai Dayak |
| Jun 2, 2023 | Friday | Gawai Dayak Holiday |
| Jun 5, 2023 | Monday | The Yang di-Pertuan Agong's Birthday |
| Jun 18, 2023 | Sunday | Sultan of Kedah's Birthday |
| Jun 28, 2023 | Wednesday | Day of Arafat (Tentative Date) |
| Jun 29, 2023 | Thursday | Hari Raya Haji holiday (Tentative Date) |
| Jun 30, 2023 | Friday | Hari Raya Haji (Day 2) (Tentative Date) |
| Jul 7, 2023 | Friday | George Town World Heritage City Day |
| Jul 8, 2023 | Saturday | Penang Governor's Birthday |
| Jul 17, 2023 | Monday | Birthday of the Raja of Perlis |
| Jul 19, 2023 | Wednesday | Muharram/New Year (Tentative Date) |
| Jul 22, 2023 | Saturday | Sarawak Independence Day |
| Jul 30, 2023 | Sunday | Birthday of the Sultan of Pahang |
| Jul 31, 2023 | Monday | Birthday of the Sultan of Pahang observed |
| Aug 23, 2023 | Wednesday | Almarhum Sultan Iskandar Hol Day |
| Aug 24, 2023 | Thursday | Birthday of the Governor of Malacca |
| Aug 31, 2023 | Thursday | Malaysia's National Day |
| Sep 16, 2023 | Saturday | Malaysia Day |
| Sep 27, 2023 | Wednesday | The Prophet Muhammad's Birthday (Tentative Date) |
| Oct 7, 2023 | Saturday | Birthday of the Governor of Sabah |
| Oct 14, 2023 | Saturday | Birthday of the Governor of Sarawak |
| Nov 3, 2023 | Friday | Birthday of the Sultan of Perak |
| Nov 11, 2023 | Saturday | Birthday of the Sultan of Kelantan |
| Nov 12, 2023 | Sunday | Birthday of the Sultan of Kelantan (Day 2) |
| Dec 11, 2023 | Monday | Birthday of the Sultan of Selangor |
| Dec 25, 2023 | Monday | Christmas Day |
