Gudiyattam taluk is a taluk in Vellore district of the Indian state of Tamil Nadu. The headquarters of the taluk is the town of Gudiyattam. The people of the taluk speak the languages of Tamil and Telugu, Urdu, Malayalam and Kannada. The taluk is represented in parliament by B. Senguttuvan within the Vellore district.
According to the 2011 census, the taluk of Gudiyattam had a population of 439,873 with 218,236 males and 221,637 females. There were 1016 women for every 1000 men. The taluk had a literacy rate of 70.12. Child population in the age group below 6 was 23,285 Males and 22,413 Females.