Cognomen Landecy (Landecy 
) , in all the world, is a very rare surname. The surname Landecy is characteristic of France, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Landecy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Landecy | France, Brazil, United States |