Southern Popoloca language
{{Short description|Popolocan language of Puebla, Mexico}}
{{Infobox language
|name=Southern Popoloca
|nativename=
|states=Mexico
|region=Puebla
|speakers=7,000
|date=1991–1993
|ref=e18
|familycolor=American
|fam1=Oto-Manguean
|fam2=Popolocan
|fam3=Chocho–Popoloca
|fam4=Popoloca
|lc1=poe|ld1=San Juan Atzingo
|lc2=pbe|ld2=Metzontla
|glotto=sanj1285
|glottoname=San Juan Atzingo
|glottorefname=San Juan Atzingo Popoloca
|glotto2=mezo1235
|glottoname2=Mezontla
|glottorefname2=Mezontla Popoloca
}}
Southern Popoloca is an indigenous language of Puebla state, Mexico. There are two principal varieties, sometimes counted as distinct languages:
- San Juan Atzingo Popoloca ({{aka}} Atzingo, San Juan)
- Metzontla Popoloca ({{aka}} Los Reyes Metzontla Popoloca) which are about 75% mutually intelligible.