Family name Oncle (Oncle 
, Onkel 
, Nonkel 
) , all over the world, is a rare surname. The surname Oncle is habitual in Estonia, where it is quite a rare surname, Cameroon, where it is a rare surname, and Denmark. In absolute terms, the name is most common in Cameroon, France, and Estonia. More frequently, Oncle is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oncle | Belgium, France, Democratic Republic of the Congo, Cameroon, Algeria |
| Onkel | Germany, France, Egypt, Estonia, Denmark |
| Nonkel | Belgium, Netherlands, Czechia |
| bernard oncle French politician, FR (b. 1947) |
|
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| oncle bapius congolese bassist, CD (b. 1950) |
|