Last name Sinkolongo (Sinkolongo 
) , around the globe, is a rare cognomen. The surname Sinkolongo is habitual in Sub-Saharan Africa, particularly Zambia, where it is quite a rare surname, Tanzania, where it is a rare surname, and South Africa, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sinkolongo | South Africa, Tanzania, Zambia, United Kingdom |