Cognomen Danum (Danum 
) , in the world, is a rare last name. The family name Danum is habitual in Malaysia, where it is a rare surname, Denmark, and Philippines, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Malaysia, India, and Indonesia. Much less frequently, Danum is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Danum | Philippines, India, Indonesia, Nigeria, Malaysia |