River Isla, Perthshire
（重定向自Glenisla）
- Not to be confused with the River Isla of Moray, which flows through Strathisla.
The River Isla (Scottish Gaelic:Abhainn Ìle) is a tributary of the River Tay in Angus and Perthshire, Scotland. It runs for 46 miles (74 km) through the Kirkton of Glenisla (Clachan Ghlinn Ìle) and Strathmore (An Srath Mòr).