Jama or JAMA may refer to:
- Jama Software, a privately held company in Portland, Oregon
- Japan Automobile Manufacturers Association, a Japanese trade association
- JAMA (numerical linear algebra library), a toolkit for the Java programming language
- Publications
- JAMA (journal), Journal of the American Medical Association, an international peer-reviewed general medical journal
- Journal of Asian Martial Arts, a peer-reviewed martial arts journal
- Places
- Jama (woreda), a woreda in the Amhara Region of Ethiopia
- A former name of Kingisepp, a town in the Leningrad Oblast, Russia
- Paso de Jama, a mountain pass between Argentina and Chile
- Jama Canton, a canton of Ecuador, located in the Manabí Province