The following list is a list of festivals in Iran.

Iranian cultural festivals

Religious festivals

Zoroastrianism

The basis of nearly all of Iranian national festivals are from its Pre-Islamic Zoroastrian era. However, there are some festivals that are celebrated exclusively by Zoroastrians and some with less extent in other communities too.

Islamic

Christian

The majority of Iranian Christians are Armenian-Iranians also known as Parska-Hye who follow the Armenian Apostolic Church, an Oriental Orthodox branch of Christianity. This minority has their very own special festivals and traditions. There is also a significant minority of Assyrian people who follow the Oriental Orthodox Christian Assyrian Church of the East and the Chaldean Catholic Church, these two church groups also have a minority of Persian followers. The followers of this church have a blend of Persian and Assyrian culture. Iran has a large and fast growing Christian community gaining popularity amongst Persians. During Christmas times, Christmas trees can be seen from windows in Tehran and north-western provinces. Although Christmas has an official recognition in Iran, it is not a national holiday.

Jewish

Iranian Jews celebrate all the same holidays as Jews worldwide, but often maintain unique customs in the observance of those holidays. Some more uniquely Iranian traditions include:

Film festivals