Globally, Niiler (Niiler 
) is an extremely rare unknown gender forename. Much more prevalently, Niiler is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Niiler | Estonia, United States |
| pearn p. niiler American oceanographer (b. 1937) |
|
|
| pearn peter niiler Ph.D. Brown University 1964 |
|