Robert Collier

Robert Collier may refer to: Robert Collier, 1st Baron Monkswell (1817–1886), English judge Robert Collier, 2nd Baron Monkswell (1845–1909), Liberal politician Robert Collier, 3rd Baron Monkswell (1875–1964), British aristocrat and writer Robert Collier (author) (1885–1950), author of self-help and metaphysical books Robert J. Collier (1876–1918), publisher and aviation enthusiast