Last name Ganiw (Ganiw 
) , worldwide, is a rare surname. The surname Ganiw is characteristic of Sub-Saharan Africa, particularly Ghana, where it is a rare surname, and Nigeria, where it is an extremely rare surname. Very seldom, Ganiw is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ganiw | India, Ghana, Nigeria, Philippines |