Simon Casie Chetty (Tamil: சைமன் காசிச் செட்டி, romanized: Caimaṉ Kācic Ceṭṭi; 21 March 1807 – 5 November 1860) was a Ceylonese civil servant, author and member of the Legislative Council of Ceylon.

[2][3] Following the death of A. Coomaraswamy Casie Chetty was appointed to the Legislative Council of Ceylon in 1838 as the unofficial member representing Tamils.

[1][3][4] He was appointed police magistrate in Kalpity in 1847 and district judge for Chilaw, a position he held until his death.

[1][2][3] Casie Chetty was responsible for the construction of St. Peter's Church in Kalpity in 1839 and paid half the costs himself.

[3] The Sri Lankan government issued a 75 cent stamp in 1989 honouring Casie Chetty.