Thimmamma Marrimanu is the name of a Banyan tree – marri means banyan and manu means tree in Telugu – in Anantapur district, located about 25 km from town Kadiri in the state of Andhra Pradesh, India. It has branches spreads over 5 acres, with a canopy of 19,107 square metres and recorded as the biggest tree in the Guinness Book of World Records in 1989.

The tree was named after a righteous lady Thimmamma, who served her ailing husband devotedly. It was named ‘Thimmamma’ in memory of that lady.She later sacrificed herself on her husband’s pyre. It is believed that the pole in north-east direction of pyre grew into this tree.