Family name ดายะ (Daya 
, ดายะ 
) , around the world, is a common cognomen. The last name ดายะ is habitual in Lesotho, where it is quite a common surname, Lebanon, where it is quite a rare surname, and Zambia. Measured by absolute frequency, it most frequently occurs in India, Indonesia, and Philippines. More prevalently, ดายะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Daya | Philippines, Iraq, India, Sri Lanka, Indonesia |
| ดายะ | Thailand |