Ra. Kaviyarasu (born 25 December 1986) is a Tamil poet known for his existentialist poetry. His literary journey began with the publication of his first poem in Kalki magazine in 2005, and he has been writing poetry consistently since 2010. His debut poetry collection, Naalai Kaanamal Pogiravar (2020), received critical acclaim. A recipient of the Kanavu Ilakkiya Virudhu (2021), Sengani Pathippaga Virudhu (2021), and Namakkal Tamilsanga Arakattalai Virudhu (2022), he also writes essays on contemporary Tamil poetry through his personal website.