Family name Lill-Cathrin (Lill-Cathrin 
) , in all the world, is an extremely rare surname. Much more frequently, Lill-Cathrin is the forename as well as the last name. Parts of the name also exists independently as a last name Lill, and a first name Cathrin.
| VARIANT | COUNTRY |
|---|---|
| Lill-Cathrin | Norway |