Cognomen Ламонт (Lamont 
, Ламонт 
) , across the world, is a common surname. The last name Ламонт is characteristic of Guernsey, where it is quite a common surname, Jamaica, and Australia, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Australia. Likewise, Ламонт is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lamont | United Kingdom, South Africa, Australia, United States, Canada |
| Ламонт | Kyrgyzstan, Russia, Ukraine |