Cognomen Susiku (Susiku 
) , worldwide, is a rare family name. The cognomen Susiku is characteristic of Sub-Saharan Africa, particularly Zambia, where it is quite a rare surname, and South Africa, where it is an extremely rare surname. Also, Susiku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Susiku | Zambia, South Africa |