We have prepared a list of Andaman and Nicobar Islands holidays 2021. The list includes all regional, public, and bank holidays in Andaman and Nicobar Islands in 2021. You can refer to the Andaman and Nicobar Islands Holiday List 2021 and plan your leaves accordingly.
| Date | Day | Holiday |
| Jan 14 | Thursday | Makar Sankranti/Pongal |
| Jan 26 | Tuesday | Republic Day |
| Mar 29 | Monday | Holi |
| Apr 2 | Friday | Good Friday |
| Apr 21 | Wednesday | Ram Navami |
| May 1 | Saturday | May Day |
| May 14 | Friday | Id-Ul-Fitr |
| Jul 21 | Wednesday | Id-Ul-Zuha |
| Aug 15 | Sunday | Independence Day |
| Aug 21 | Saturday | Onam or Thiru Onam Day |
| Sep 10 | Friday | Vinayaka ChaturthiGanesh Chaturthi |
| Oct 2 | Saturday | Mahatma Gandhi's Birthday |
| Oct 15 | Friday | Dussehra (Vijay Dashmi) |
| Nov 4 | Thursday | Diwali (Deepavali) |
| Nov 19 | Friday | Guru Nanak's Birthday |
| Dec 25 | Saturday | Christmas Day |