Sir Reginald Kennedy-Cox CBE (18 April 1881 – 27 July 1966) was a British dramatist and social reformer, best known for his social work in the East End of London where he founded several Dockland Settlements. Before he committed himself to this work he was a successful playwright, several of his works being performed on the London stage. He was knighted in 1930 and appointed CBE in 1944.