Last name Kolongo (Kolongo 
) , all over the world, is quite a rare surname. The surname Kolongo is habitual in Tanzania, where it is quite a rare surname, the Democratic Republic of the Congo, where it is a rare surname, and Belgium, where it is a very rare surname. Measured by absolute frequency, it is commonest in Sub-Saharan Africa, particularly Tanzania, the Democratic Republic of the Congo, and South Africa. Very seldom, Kolongo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kolongo | China, Tanzania, South Africa, Democratic Republic of the Congo, Indonesia |