| Official Name: | Dewäternä |
| Native Name: | Девәтернә |
| Native Name Lang: | tt |
| Settlement Type: | selo |
| Pushpin Map: | Russia Tatarstan |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Tatarstan |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Ägerce District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
Dewäternä (Tatar: Девәтернә|Dewäternä) is a rural locality (a selo) in Ägerce District, Tatarstan. The population was 469 as of 2010.[1] Dewäternä is located 80 km from Ägerce, district's administrative centre, and 352 km from Ԛazan, republic's capital, by road.[2] [3] The village was established in 1622.There are 9 streets in the village.[4]