Last name Лои (Loi 
, Loïs 
, Loie 
) , across the world, is a common cognomen. The surname Лои is habitual in Macao, where it is a common surname, Malaysia, where it is quite a common surname, and Suriname (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Italy, Malaysia, and Vietnam. Also, Лои is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Loi | Macao, Taiwan, Italy, Malaysia, Vietnam |
| Loïs | Cameroon, France, United States, Ivory Coast, Democratic Republic of the Congo |
| Loie | France, Australia, United States, Malaysia, India |
| Лои | Kyrgyzstan, Russia |