K. Rajan (Malayalam: കെ. രാജന്) is an Indian politician and Minister for Land Revenue, Survey and Land Records, Land Reforms, Housing, Government of Kerala. He is a member of Communist Party of India. He is a legislator from Ollur Assembly constituency. He was the Chief Whip of the first Pinarayi Vijayan Ministry. He is also a member of the Kerala State Executive Committee of Communist Party of India and national secretary of All India Youth Federation.