Indo may refer to:
- Indo-, a prefix indicating India or the Indian Subcontinent
- Indonesia, a country in Asia
- INDO, the Intermediate Neglect of Differential Overlap semi-empirical method
- Indo (apple), an apple cultivar
- Irish Independent, a newspaper commonly nicknamed 'The Indo'
- The slang term 'endo' or 'indo' is an AAVE prounuciation for "indoor"-grown marijuana.
- Palacio de Indo, a former palace in Madrid