Surname Lengs (Lengs 
) , worldwide, is a rare cognomen. The family name Lengs is habitual in South Africa, where it is a rare surname, New Zealand, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in South Africa, Nigeria, and Australia. Much less frequently, Lengs is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lengs | Australia, South Africa, Netherlands, Indonesia, Nigeria |