Around the globe, สีอุทัย (สีอุทัย 
) is a very rare dominantly masculine, but infrequently female first name. The first name สีอุทัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare dominantly boy's, but infrequently feminine name.
| VARIANT | COUNTRY |
|---|---|
| สีอุทัย | Thailand |