| Ethnologue Language Names | art-330 |
| Chontal, Lowland Oaxaca | |
| ISO 639-3 | art-001 | clo |
| Ethnologue Language Names | art-330 | Chontal de Oaxaca de la costa |
| Ethnologue Language Names | art-330 | Chontal de la Costa de Oaxaca |
| Ethnologue Language Names | art-330 | Huamelula Chontal |
| Ethnologue Language Names | art-330 | Huamelulteco |