Thomas Reginald "Reg" Dean (November 4, 1902 – January 5, 2013) was an British supercenterian who was the second-oldest person in Europe and was the last living person in Britain who was born in 1902. He was the oldest British-born man in England since Claude Choules.
Dean died on 4 November 1902 in Tunstall, Staffordshire. He was married three times, one marriage ended in the wife's death and the other two ended in divorce. He had one son, Christopher Dean. Dean died on 5 January 2013 in London, England from natural causes, aged 110.