Halai may refer to:
- Halai (Boeotia), a town of ancient Boeotia
- Halai (Cilicia), a town of ancient Cilicia
- Frank Halai (born 1988), New Zealand rugby player
- Vijay Halai (born 1992), Indian cricketer
- Battle of Halai (1894), in the First Italo-Ethiopian War