Cambia can mean:
- Cambia, Haute-Corse, a commune in the Haute-Corse department of France
- Cambia (non-profit organization), an open science and biology non-profit institute based in Australia
- Cambia Health Solutions, an American health insurance company
- Cambia or cambiums, the four humours in medicine
- Cambia, a brand name for the medication diclofenac
- the plural of cambium (botany), a type of tissue found in plants