Gajanur (pronounced: Gaajanoor) is a village in Talavady taluk, Erode district of Tamilnadu, India. It is also known as Dodda Gajanur. The village is located 4 km from the Tamilnadu–Karnataka border, and is 1 km south of the town of Thalavadi. Most of roads are connected to Karnataka state. Gajanur is the birthplace of Kannada matinee idol Dr. Rajkumar, who was kidnapped by Veerappan from his native house in Gajanur on 30 July 2000. The village abuts the Sathyamangalam Wildlife Sanctuary.