Kayyar Kinhanna Rai (Kannada: ಕಯ್ಯಾರ ಕಿಞ್ಞಣ್ಣ ರೈ) (8 June 1915 – 8 August 2015) was an Indian independence activist, author, poet and a journalist. He used to work with Gandhi when peacefully fighting for India's independence.
Kai died from pneumonia at a hospital in Badiyadka, Kasaragod, Kerala at the age of 100.