Surname คัว (Khua 
, Khuar , คัว 
) , all around the world, is a rare family name. The last name คัว is characteristic of South-eastern Asia, particularly Singapore, where it is quite a rare surname, Myanmar, where it is a rare surname, and Malaysia. Measured by absolute frequency, it is the most numerous in India, Myanmar, and Singapore. Also, คัว is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khua | Malaysia, Singapore, United States, India, Myanmar |
| Khuar | India, Myanmar |
| คัว | Thailand |
| Ckua | Georgia, Malaysia |