Family name Nhân Mã (Nhân Mã 
) , worldwide, is a very rare cognomen. The last name Nhân Mã is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare surname. More prevalently, Nhân Mã is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nhân Mã | Japan, Vietnam |