| Chayuco-Jamiltepec Mixtec | |
| Also Known As: | Cristobál-Chayuco |
| States: | Mexico |
| Region: | Oaxaca |
| Speakers: | 20,000 |
| Date: | 1990–2000 |
| Ref: | e18 |
| Familycolor: | American |
| Fam1: | Oto-Manguean |
| Fam2: | Mixtecan |
| Fam3: | Mixtec |
| Fam4: | Chayuco–Zacatepec |
| Lc1: | mxt |
| Ld1: | Jamiltepec |
| Lc2: | mih |
| Ld2: | Chayuco |
| Glotto: | chay1249 |
| Glottoname: | Chayuco |
| Glottorefname: | Chayuco Mixtec |
| Glotto2: | jami1235 |
| Glottoname2: | Jamiltepec |
| Glottorefname2: | Jamiltepec Mixtec |
| Elp: | 10528 |
| Elpname: | Coast Mixtec (shared) |
Chayuco-Jamiltepec Mixtec is a Mixtec language of Oaxaca, spoken in the towns of San Agustín Chayuco, Santa Catarina Mechoacán, Santiago Jamiltepec, San Andrés Huaxpaltepec, Santa María Huazolotitlán, Santiago Tetepec, and Santa Elena Comaltepec.