Cognomen نيوا (Niwa 
, نيوا) , in the world, is quite a rare surname. The surname نيوا is characteristic of Isle of Man, where it is quite a rare surname, New Zealand, where it is a rare surname, and Singapore. Measured by absolute frequency, it is the most numerous in Indonesia, Japan, and the United States. Likewise, نيوا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niwa | Poland, United States, Indonesia, Democratic Republic of the Congo, Japan |