Surname Ляут (Ляут 
) , all around the world, is a very rare family name. The cognomen Ляут is habitual in Kazakhstan, where it is a rare surname, and Ukraine, where it is a very rare surname. Much less frequently, Ляут is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ляут | Kazakhstan, Ukraine, Russia |