| Tar | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Kyrgyzstan |
| Subdivision Type2: | Region |
| Subdivision Name2: | Osh Region |
| Subdivision Type3: | District |
| Subdivision Name3: | Kara-Kulja District |
| Length: | 192km (119miles) |
| Discharge1 Min: | 8.9 m³/s |
| Discharge1 Avg: | 45.7 m³/s |
| Discharge1 Max: | 214 m³/s |
| Source1: | Alay Range |
| Source1 Coordinates: | 40.3447°N 74.9067°W |
| Source1 Elevation: | 3958m (12,986feet) |
| Mouth: | Kara Darya |
| Mouth Coordinates: | 40.6453°N 73.4246°W |
| Basin Size: | 4420km2 |
| Tributaries Right: | Terek, Kulun |
The Tar (Kirghiz; Kyrgyz: Тар Tar, in its upper course Alaykuu Kirghiz; Kyrgyz: Алайкуу) is a river in Kara-Kulja District of Osh Region of Kyrgyzstan. It rises on the north slopes of the Alay Range (Pamir-Alay). At its confluence with the river Kara-Kulja east of Uzgen, the Kara Darya is formed.[1] The section of the Tar upstream from the mouth of the Terek is called Alaykuu.
The Tar has a length of with a basin area of .[2] [3] It is fed predominantly by snow and ice meltwater and springs. The average annual discharge is 45.7 m³/s. The maximum flow is 214 m³/s in June-July and the minimum - 8.9 m³/s in January-February. The river is largely used for irrigation.[2]