Hethur is a hobli in the Sakleshpura taluk in the Hassan district of Karnataka, India.

As per a census survey of India conducted in 2011, the location code number of Hethur village is 615012.

It lies on State Highway 107, 25 km south of its taluk headquarter, Sakleshpura.

The nearest railway stations are Sakleshpura and Hassan Junction.

In 2022, Hettur hobli received an annual rainfall of 4,305 millimetres (169.5 in), the highest in Hassan district.