Last name ละห้อย (Lahoi 
, ละห้อย, Lahvithee ) , all around the world, is a very rare cognomen. The surname ละห้อย is habitual in Malaysia, where it is a very rare surname, Thailand, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Thailand, Malaysia, and India. More frequently, ละห้อย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lahoi | India, Canada, Malaysia, Thailand |
| Lahvithee, Lahyapha | Thailand |