- Kolleru Bird Sanctuary is a sanctuary in Andhra Pradesh, India.
- It covers 673 square kilometers.
- It was established in November 1999, under the Wildlife Protection Act of 1972.
- The sanctuary protects part of the Kolleru Lake wetland, which gained Ramsar Convention for International importance in 2002.
- The main flora of the sanctuary is Phragmites karka, a weed that grows up to 10 feet in height and that offers shelter for some species of birds.