Cognomen Jambat (Jambat 
) , in all the world, is a rare last name. The surname Jambat is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname, Philippines, and Malaysia. Not in comparison with a country's population, it is the most numerous in Indonesia, Philippines, and India. Much less frequently, Jambat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jambat | Philippines, Spain, India, Indonesia, Malaysia |