Khammam, city, southeastern Telangana state, southern India. It lies on the Munneru River (a tributary of the Krishna River), south-southeast of Warangal.
The city is a trade and commercial centre. A rail line connects it with Warangal and with Vijayawada in Andhra Pradesh to the southeast. Rice, jowar (grain sorghum), corn (maize), and pulses are grown in the surrounding area, and coal, garnets, iron ore, and talc are obtained in the locality. Pop. (2001) 159,544; (2011) 184,210.