Cognomen ลาปา (Lapa 
, Larpa 
, ลาปา ) , all around the world, is a common last name. The cognomen ลาปา is habitual in Portugal, where it is quite a common surname, Peru, and Latvia. Measured by absolute frequency, it is the most numerous in India, Brazil, and Peru. Also, ลาปา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lapa | Poland, India, Peru, Brazil, Portugal |
| Larpa | Argentina, India, France, Thailand, Nigeria |
| ลาปา | Thailand |