- Language: Mayo
- Alternate names: Cahita, Yaqui-Mayo, Kahita
- Language code: mfy
- Language family: Uto-Aztecan, Southern Uto-Aztecan, Taracahitic, Cahitan (SIL classification)
- Number of speakers: 32,702
- Vulnerability: Vulnerable
- Script: Latin script.
Mayo people reticent to identify as Mayo. Monolinguals avoid contact with outsiders. Prefer Mayo. Traditional religion, Christian.
90%% intelligibility with Yaqui.