Mettur taluk is a taluk of Salem district of the Indian state of Tamil Nadu. The headquarters of the taluk is the town of Mettur.
According to the 2001 census, the taluk of Mettur had a population of 378,337 with 200,736 males and 177,601 females. There were 885 women for every 1000 men. The taluk had a literacy rate of 63.92. The total number of households was 93,404.