Surname Meng Khai (Meng Khai 
) , throughout the world, is a very rare last name. The last name Meng Khai is habitual in South-eastern Asia, particularly Singapore, where it is a rare surname. Much less frequently, Meng Khai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Meng Khai | Singapore, Malaysia |