Last name Lamountain (Lamountain 
) , all around the world, is a rare family name. The family name Lamountain is habitual in the United States, where it is a rare surname, Canada, where it is a very rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lamountain | Germany, United States, Canada, Venezuela |
|
john lamountain American balloonist, US (b. 1830) |
|