Family name La Foy (La Foy 
) , all around the world, is a very rare surname. The cognomen La Foy is habitual in South Africa, where it is a very rare surname, Canada, and Peru, where it is an extremely rare surname. In absolute terms, this name is the most popular in South Africa, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| La Foy | Peru, Canada, United States, South Africa |