The Tylihul (Ukrainian: Тилігул) is a river in the Odesa Oblast of southern Ukraine. It is 168 km long, up to 10–20 m wide, with a watershed of 3,550 km2. Its source is in the Podilian Upland and it flows through a narrow (1.0—1.5 km wide) valley to the Black Sea depression, where the valley widens up to 3 km. The river inflows to the Tylihul Estuary.
| Tylihul | |
|---|---|
 The Tylihul River | |
 | |
| Native name | Тилігул (Ukrainian) |
| Location | |
| Country |  Ukraine |
| Physical characteristics | |
| Source | |
| • location | Podolian Upland |
| Mouth | |
• location | Tylihul Estuary |
| Length | 168 km (104 mi) |
| Basin size | 3,550 km2 (1,370 sq mi) |
| Basin features | |
| Tributaries | Zhurivka |
 | |
The name of the river comes from the name of the water body into which it flows, the Tylihul Estuary, Turkish: Deli Göl, which means "mad or rabid lake".