Surname ซอย (Soi 
, Zoy 
, ซอย 
) , worldwide, is a common last name. The family name ซอย is characteristic of Kenya, where it is quite a rare surname, Estonia, and Macao. In absolute terms, this name is the most popular in Kenya, India, and Indonesia. Also, ซอย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Soi | Myanmar, Malaysia, India, Indonesia, Kenya |
| Zoy | Myanmar, Italy, Malaysia, India, Indonesia |
| ซอย | Thailand |
| Sois | Italy, India, Indonesia, United States, Morocco |
มงคล, บัวแกว, บุดดาเวียง, and ปัญญาดี