| Official Name: | İske İäbaş |
| Native Name: | Иске Иябаш |
| 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: | Arça District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
İske İäbaş (Tatar: Иске Иябаш|İske İäbaş) is a rural locality (a derevnya) in Arça District, Tatarstan. The population was 228 as of 2010.[1] İske İäbaş is located 13 km from Arça, district's administrative centre, and 83 km from Ԛazаn, republic's capital, by road.[2] [3] The earliest known record of the settlement dates from 1678.There are 4 streets in the village.[4]