| Gueren | |
| Extinct: | ? |
| Familycolor: | American |
| Fam2: | Krenak (Botocudo) |
| Iso3: | none |
| Glotto: | guer1242 |
| Glottorefname: | Gueren |
Guerén (Guêren) is an extinct Botocudoan language of Brazil, related to Krenak. Today, several thousand Guerén people live in Olivença (now a district of Ilhéus), but they no longer speak the language.[1]