Family name Dikao (Dikao 
) , in the world, is a rare surname. The last name Dikao is characteristic of Sub-Saharan Africa, particularly Botswana, where it is quite a rare surname, the Democratic Republic of the Congo, where it is a rare surname, and South Africa, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dikao | Democratic Republic of the Congo, India, South Africa, Botswana |