Surname เลิศล้ำ (Excellent 
, เลิศล้ำ, Loetlam 
) , all around the world, is quite a rare last name. The surname เลิศล้ำ is characteristic of Latin America and the Caribbean, particularly Haiti, where it is quite a rare surname, Jamaica, and the Dominican Republic, where it is a rare surname. Measured by absolute frequency, the name is most common in Haiti, Indonesia, and Nigeria. More prevalently, เลิศล้ำ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Excellent | Democratic Republic of the Congo, Haiti, Myanmar, South Africa, Indonesia |
| Loetlam | Thailand |