The Ndyuka people (also spelled 'Djuka') or Aukan people (Okanisi), are one of six Maroon peoples (formerly called "Bush Negroes", which also has pejorative tinges) in the Republic of Suriname and one of the Maroon peoples in French Guiana. The Aukan or Ndyuka speak the Ndyuka language. They are subdivided into the Opu, who live upstream of the Tapanahony River in the Tapanahony resort of southeastern Suriname, and the Bilo, who live downstream of that river in Marowijne District

The most important towns are Moengo, the largest town in Marowijne District, and Diitabiki (old name: Drietabbetje) which is the residence of the granman (paramount chief) of the Ndyuka people since 1950.They further subdivide themselves into twelve matrilinear kinship groups called lo.

There is a thirteenth group, that of the granman.