Chetty or Chetti is a surname. Notable people with the surname include:
Chris Chetti (born 1974), American retired professional wrestler Cody Chetty (born 1991), South African former first-class cricketer G. Janakiram Chetty (born 1906), Indian merchant and politician G. N. Chetty (1881–1950), Indian merchant, landlord, politician, legislator and economist Gazulu Lakshminarasu Chetty (1806–1868), Indian merchant and political activist Ilyes Chetti (born 1995), Algerian footballer Jonnalagadda Gurappa Chetty, Indian painter, craftsman and writer K. P. Puttanna Chetty (1856–1938), British Indian administrator, bureaucrat and philanthropist Mergan Chetty (born 1968), South African politician Nalli Kuppuswami Chetti (born 1940), Indian textile industrialist and philanthropist P. Theagaraya Chetty (1852–1925), Indian lawyer, industrialist and political leader, one of the founders of the Justice Party R. K. Shanmukham Chetty (1892–1953), Indian lawyer, economist and politician, first finance minister of India Raj Chetty (born 1979), Indian-born American economist Sami Venkatachalam Chetty (died 1958), Indian politician, businessman and Indian independence activist Simon Casie Chetty (1807–1860), Ceylonese civil servant, author and politician Sylvie Chetty, New Zealand marketing academic T. Namberumal Chetty (c. 1856–1925), Indian contractor, engineer, builder and businessman T. R. A. Thumboo Chetty (1837–1907), first Indian chief judge of the Chief Court of Mysore Trisha Chetty (born 1988), South Africa cricketer