Khasa may refer to:
- Khasas, an ancient people of Indian subcontinent
- Khasa kingdom, an ancient Kingdom in Western Nepal
- Khas people, an Indo-Aryan ethno-linguistic people of Nepal
- Khasas (Mahabharata), an ancient tribe in Hindu literature
- Zhangmu (Nepali: Khasa), a town in Nyalam County, Tibet
- Khasa River, a tributary of the Tigris on whose banks stands the city of Kirkuk
- Khasa (cloth), a type of cotton fabric made in the Mughal Empire