Hijra, as a Arabic word meaning migration (also romanised as hijrah, hejira and hegira) may refer to:

*The Hijra (Islam) (هِجْرَة) is the emigration of Muhammad and his followers to the city of Medina in 622, marking the first year of the Islamic calendar, 1 AH (anno higirae).
*Migration to Abyssinia, in 615 CE a number of Sahaba migrated to Ethiopia
*Meccan boycott of Hashemites and Muhammad, the second migration due to the boycott in 617-619
*Migration to Medina, the third and final emigration of Muhammad and his followers to the city of Medina in 622
*Hijri year, marks the start of the Hijri year of the Islamic calendar

Hejira may refer to:
*Hejira (album), a 1976 album by Joni Mitchell.
**Hejira (song), the 5th track on the album

Hegira may refer to:

*Hegira (novel), a 1979 science fiction novel by Greg Bear
*The migration of humanity to the stars in Dan Simmons' Hyperion Cantos books

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Hijra may also mean:
*Hijra (South Asia), a "third gender" in India, Pakistan and Bangladesh
*Hijra (song), the 6th track on the 2006 album Malicious Code by ZubZub, otherwise known as Zia the former bass player with the space rock band Ozric Tentacles.