| Official Name: | Ilchibay |
| Native Name: | Ильчибай |
| Native Name Lang: | ru |
| Settlement Type: | Village |
| Pushpin Map: | Russia Bashkortostan#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Bashkortostan |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Kaltasinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +5:00 |
| Coordinates: | 56°N 93°W[1] |
Ilchibay (Russian: Ильчибай; Bashkir: Илсебай, İlsebay) is a rural locality (a village) in Nizhnekachmashevsky Selsoviet, Kaltasinsky District, Bashkortostan, Russia. The population was 27 as of 2010.[2] There are 4 streets.
Ilchibay is located 12 km northwest of Kaltasy (the district's administrative centre) by road. Verkhny Kachmash is the nearest rural locality.[3]
The village of Ilchebay (New Ilchibay) was first mentioned in the of 1912–1913. It recorded 179 Bashkirs with patrimonial rights living on 34 farms.
The recorded the village under the name of Novo-Ilchibaeva with 97 farms and 437 Bashkir residents; a Russian family of 6 people lived in 1 farm. [4]