| Official Name: | Aday |
| Native Name: | Адай |
| Native Name Lang: | tt |
| Settlement Type: | derevnya |
| Pushpin Map: | Russia Tatarstan |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Tatarstan |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Kukmara District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
Aday (Tatar: Адай) is a rural locality (a derevnya) in Kukmara District, Tatarstan. The population was 465 as of 2010.[1] Aday, Kukmara District is located 18 km from Kukmаra, district's administrative centre, and 149 km from Kazan, republic's capital, by road.[2] [3] The village was established in 17th century.There are 7 streets in the village.[4]