Bharathidasan University (BDU) is a university in the city of Tiruchirapalli, Tamil Nadu, India. It is located on Tiruchirappalli-Pudukkottai National Highway 336. It has affiliated colleges in the districts of Karur, Nagapattinam, Perambalur, Pudukkottai, district, Tiruvarur and Tiruchirapalli. It is a recognised university, supported by the University Grants Commission of India. All major faculties of science and arts are represented.