Last name Koiye (Koiye 
) , worldwide, is a rare family name. The surname Koiye is habitual in Sub-Saharan Africa, particularly Tanzania, where it is a rare surname, and South Africa, where it is an extremely rare surname. Much less frequently, Koiye is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koiye | South Africa, India, Tanzania |