Katpadi () is a locality in the northern part of Vellore, in the state of Tamil Nadu, India.
Once a village, Katpadi was upgraded to a panchayat town, with its own taluk office. It has a major assembly constituency which is part of Arakkonam (Lok Sabha constituency).
The Vellore Institute of Technology (VIT) is in Katpadi. In 2010 it was ranked as one of the best private engineering universities in India.