Family name Laphai (Laphai 
) , all around the world, is a rare cognomen. The family name Laphai is habitual in Myanmar, where it is quite a rare surname, Thailand, where it is a very rare surname, and Australia. In absolute terms, it is commonest in Myanmar, Thailand, and India. Also, Laphai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Laphai | Myanmar, Australia, Thailand, United States, India |