Last name Нилл (Nill 
, Neill 
, Nyll 
) , in the entire world, is a common cognomen. The last name Нилл is characteristic of Ireland, where it is quite a common surname, New Zealand, where it is quite a rare surname, and the United Kingdom. In absolute terms, this name is the most popular in the United States, Bangladesh, and the United Kingdom. Likewise, Нилл is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nill | Germany, United Kingdom, Nigeria, United States, Bangladesh |
| Neill | Germany, United Kingdom, Ireland, United States, Bangladesh |
| Nyll | Germany, South Africa, Colombia, United States, Brazil |
| Нилл | Russia |