Last name คะ (Kha 
, คะ 
, Hkaa 
) , globally, is a widespread family name. The surname คะ is habitual in Myanmar, where it is a common surname, Pakistan, where it is quite a common surname, and India (explore the name in all countries). Much less frequently, คะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kha | Algeria, Bangladesh, India, Pakistan, Myanmar |
| คะ | Thailand |
| Hkaa | United States |