Last name บอยด์ (Boi 
, บอยด์ 
) , worldwide, is a common cognomen. The family name บอยด์ is habitual in Italy, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Papua New Guinea. In absolute terms, the name is most common in Italy, India, and Malaysia. Much less frequently, บอยด์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boi | Tanzania, Italy, India, Indonesia, Malaysia |
| บอยด์ | Thailand |