Cognomen Leyneth (Leyneth 
) , throughout the world, is an extremely rare family name. The family name Leyneth is habitual in Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, and Mexico, where it is an extremely rare surname. More prevalently, Leyneth is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leyneth | Mexico, Venezuela, Tanzania, Philippines |