Last name จงมา (Jongma 
, จงมา 
, Jongcome ) , throughout the world, is a rare cognomen. The surname จงมา is characteristic of Netherlands, where it is quite a rare surname, Australia, where it is a very rare surname, and Thailand. In absolute terms, this name is the most popular in Netherlands, the United States, and Thailand. Much less frequently, จงมา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jongma | Netherlands, United States, Australia, India, Germany |
| Jongcome, จงมา | Thailand |