- Language: One
- Alternate names: Aunalei, Onele, Oni, Molmo One, Inebu One, Kwamtim One, Kuamtim, Kabore One, Northern One, Southern One
- Language code: aun, oin, okk, onk, onr, osu
- Language family:
- Number of speakers: 4,450
- Vulnerability: Threatened
Dialect diversity among One varieties may be so great as to warrant subdivision into as many as six languages (Crowther 2001); indeed, Ethnologue (18th Edition) includes six separate entries. The issue, however, is not yet resolved (Foley 2016).