Surname Ullai (Ullai 
) , across the world, is a rare cognomen. The last name Ullai is habitual in Bangladesh, where it is a very rare surname, Malaysia, and India, where it is an extremely rare surname. Much less frequently, Ullai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ullai | Philippines, Greece, India, Bangladesh, Malaysia |