Kamboja (Sanskrit: कम्बोज) (Persian: کمبوہ) may refer to:
- Kamboja (name)
- Kambojas, an ancient tribe of Transoxiana and the Paropamisus in Iron Age India
- Kamboja-Pala Dynasty of Bengal
- Kamboj, a clan of South Asia, believed to be modern representatives of the ancient Kambojas