- Language: Aka
- Alternate names: Sillok, Jebels Sillok, Jebel Silak, Fa-C-Aka
- Language code: soh
- Language family: Nilo-Saharan, Eastern Sudanic, Eastern, Eastern Jebel, Aka-Kelo-Molo (SIL classification)
- Number of speakers: A few hundred
- Vulnerability: Endangered
- Script: Unwritten.
Heavily Arabicized and influenced by Berta (See: [[Berta]]). A remnant group (Bender 1983).
Aka is spoken in Sudan, Africa.