Viluppuram (also Villupuram) is one of thirty districts which make up Tamil Nadu State situated on the southern tip of India. Viluppuram District came into existence on 30 September 1993 when it was created out of South Arcot District.

The district headquarters are located at Viluppuram. The district occupies an area of 7217 km² and has a population of 2,943,917 (as of 2001).