Family name Niyikiza (Niyikiza 
) , across the world, is a rare cognomen. The surname Niyikiza is characteristic of Rwanda, where it is quite a rare surname, the Democratic Republic of the Congo, where it is a rare surname, and Australia, where it is a very rare surname. Very seldom, Niyikiza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niyikiza | Rwanda, Australia, United States, Tanzania, Democratic Republic of the Congo |