Last name มะรุม (Marum 
, Marunda 
, มะรุม 
) , in the world, is quite a common surname. The cognomen มะรุม is characteristic of Papua New Guinea, where it is quite a rare surname, Zimbabwe, and Ireland. Measured by absolute frequency, this name is the most popular in Tanzania, India, and Zimbabwe. Much less frequently, มะรุม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marum | Brazil, India, United States, Papua New Guinea, Egypt |
| Marunda | Tanzania, Zimbabwe, India, United States, Indonesia |
| มะรุม | Thailand |
| Marullaz | France, Canada, Switzerland, United States |