Family name Norvaisis (Norvaisis 
) , throughout the world, is a very rare cognomen. The cognomen Norvaisis is characteristic of Lithuania, where it is quite a rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Much less frequently, Norvaisis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Norvaisis | Lithuania, United States, United Kingdom |