Tandur (Telugu: ; also known as Tanduru) is a municipal town and mandal in Rangareddy district in the Indian state of Andhra Pradesh. Tandur is 125 km from Hyderabad by bus and 110 km by train. Tandur is the largest town in western Rangareddy district and the largest Municipality in Rangareddy dist. It is famous for stone industries, cement industries and Redgram(Pigeon pea) production.
Many education centres are located there. Drinking water is supplied from the River Kagna, which is 4 km from the town. Tandur town is part of Tandur assembly constituency and Chevella loksabha constituency. P. Mahender Reddy of Telugudesham party is present MLA of Tandur assembly constituency. Previous MLAs of this constituency who served as ministers in state cabinet are Manik Rao and Chandra Sekhar Rao. Tandur is known for its blue colored Limestone. Tandur is the main producer and distributor for blue color limestone which can be used for flooring, wall cladding and even for the slabs. The slabs of the old houses are made of stones even. It had a strong quarry association with approximately 500 members, by name Tandur Mandal Quarry Welfare Association. It also had a strong association of above 500 polishing units under the name of Tandur Merchants welfare Association with strong body which lobbies for its members.