Fredrick Richard Senanayake (known to as F. R. Senanayake) (October 20, 1882 – January 1, 1926) was a Ceylonesen lawyer and independence activist. A leading member of the Sri Lankan independence movement, he was an elected member of the Colombo Municipal Council. He was the principal supporter of the early political career of his younger brother D. S. Senanayake, who would go on to lead Sri Lanka's independence movement, becoming the first Prime Minister of independent Sri Lanka in 1947.