Family name Laidier (Laidier 
) , in all the world, is a rare last name. The family name Laidier is habitual in Switzerland, where it is a rare surname, France, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Switzerland, France, and the United States. Very seldom, Laidier is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Laidier | United Kingdom, Switzerland, United States, France, Brazil |