Cognomen Lab-Ranche (Lab-Ranche 
) , all over the world, is an extremely rare last name. The cognomen Lab-Ranche is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a first name Lab, and a last name Ranche.
| VARIANT | COUNTRY |
|---|---|
| Lab-Ranche | United States |