Alban Douglas Rendall Caroe OBE FSA FRIBA (17 April 1904 − 11 December 1991) was a British architect. He was the son of W. D. Caroe and brother of Sir Olaf Caroe. He married Gwendolen Mary Bragg (1907–1982), daughter of William Henry Bragg. When she died in 1982, she was writing an informal history about the Royal Institution — her book was completed by Alban. Alban and Gwendolen's son, with whom he worked, was Martin Caroe. Their daughter, Lucy Caroe, historical geographer, married Richard Adrian, 2nd Baron Adrian. Alban Caroe was appointed an OBE in the 1987 Birthday Honours.