Sir Theagaraya College is an underground metro station on the North-South Corridor of the Line 1 Extension of the Blue Line of Chennai Metro in Chennai, India. This station will serve the neighbourhoods of Old Washermanpet and other northern suburbs of Chennai.

The Blue Line or Line 1 is one of the two lines of Chennai Metro, Phase 1 Project, the second being the Green line. The line stretches from Chennai International Airport to Wimco Nagar Depot. The line consists of 26 stations out of which 13 stations are underground and 13 stations are elevated.