Family name Fornow (Fornow 
) , all over the world, is a very rare surname. The family name Fornow is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Peru, where it is an extremely rare surname, and Mexico. In absolute terms, this name is the most popular in Colombia, the United States, and Peru.
| VARIANT | COUNTRY |
|---|---|
| Fornow | Colombia, Brazil, Mexico, United States, Peru |