Family name Elsai (Elsai 
) , across the world, is a very rare surname. The family name Elsai is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Argentina. Not in comparison with a country's population, this name is the most popular in Mexico, Honduras, and the United States. Likewise, Elsai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Elsai | Mexico, Argentina, Honduras, Philippines, India |