M. Nassar is an Indian film actor, director and producer, who mainly works in the South Indian film industry. He is the incumbent president of the Nadigar Sangam. Nassar made his acting debut in K. Balachander's Kalyana Agathigal (1985) portraying a secondary supporting role, before moving on to play villainous roles in S. P. Muthuraman's Velaikaran (1987) and Vanna Kanavugal.