Robert John Fleming (November 23, 1854 – October 26, 1925) was twice Mayor of Toronto (1892–1893 and 2nd incumbency 1896–1897) Born in Toronto, Robert John Fleming was of Irish ancestry, the son of William and Jane (Cauldwell) Fleming. Educated in Toronto public schools he first entered the business world in real estate. From there he moved on to the Toronto Railway Company becoming the general manager in 1905. He was also a member of the Orange Order in Canada. Fleming Crescent in Leaside is named in his honour.