All around the world, Niculai (Niculai 
) is quite a rare masculine given name. The forename Niculai is characteristic of Romania, where it is quite a rare masculine name, Cyprus, and Italy, where it is a very rare male name. Likewise, Niculai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Niculai | Spain, Italy, Austria, Romania, Morocco |
| niculai gramada (b. 1892) |
|