Surname Sulday (Sulday 
) , around the globe, is a very rare last name. The cognomen Sulday is characteristic of Myanmar, where it is a very rare surname, Philippines, and the United States, where it is an extremely rare surname. Very seldom, Sulday is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sulday | Philippines, United States, Turkey, Myanmar |