Dr. Reginald Spencer Pearson (1866 - 1 May 1928) was a physician and local politician. Born in Cumberland, he qualified as a physician and surgeon in 1890, eventually setting up a practice in Clapham in South London. In 1919 he was elected to Lambeth Borough Council, and served as Mayor of Lambeth in 1926-27. Suffered a robbery of his badge of office and other jewellery from his house (20 May 1927 - Western Gazette and 18 May 1927 - Hull Daily Mail).