Last name Diabi (Diabi 
) , all over the world, is quite a rare surname. The cognomen Diabi is characteristic of Algeria, where it is quite a rare surname, Ivory Coast, and Mali, where it is a rare surname. Not in comparison with a country's population, it is commonest in Algeria, Ivory Coast, and Morocco. Much less frequently, Diabi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Diabi | Morocco, Mali, Ivory Coast, Algeria, France |
| lanciné diabi Ivorian filmmaker (b. 1956) |
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| diabi jacob mmualefe Motswana diplomat (b. 1958) |
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| hassan diabi college basketball player (2002–2002) South Carolina State |
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Ar, Amel, Adel, Adam, Akim, Aziz, Baba, Bila, Katy, Kadi, Amal, Kady, Reda, Riad, Diae, Lina, Jean, Nora, Nour, Eric, Imed, Rami, Amar, Abou, Alla, El, Med, Ali, Ana, Abu, Abi, Aby, Ami, Aya, Awa, Ben, Eve, Madi, Mori, Mous, Momo, Sara, Sami, Said, Sadi, Seif, Omar, and Zina