Cognomen Norbet (Norbet 
) , in all the world, is a rare last name. The surname Norbet is characteristic of Tanzania, where it is a rare surname, Malaysia, where it is a very rare surname, and Nigeria. Not in comparison with a country's population, it is commonest in Tanzania, Nigeria, and Indonesia. More frequently, Norbet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Norbet | Nigeria, Tanzania, Democratic Republic of the Congo, India, Indonesia |