Last name อุลยา (Ulaya 
, อุลยา 
) , in the world, is a common surname. The surname อุลยา is characteristic of Sub-Saharan Africa, particularly Tanzania, where it is quite a rare surname, Malawi, and Zambia, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Tanzania, India, and Malawi. Much less frequently, อุลยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ulaya | Indonesia, Zambia, Malawi, Tanzania, India |
| อุลยา | Thailand |