- Language: Leco
- Alternate names: Leko, Lapalapa, Chuncho Aleniano, Leko, Rik'a, Ateniano
- Language code: lec
- Language family: Language isolate (SIL classification)
- Number of speakers: 0
- Vulnerability: Dormant
- Script: Unwritten.
Some folklore, dances, and music preserved. Previously reported extinct linguistically.
Leco is spoken in Bolivia, South America.