Estes Wilson Mann Sr. (September 14, 1894 – February 13, 1958) was an American architect based in Memphis, Tennessee. Several buildings he designed are listed on the National Register of Historic Places. Mann was originally from Marianna, Arkansas. He studied at the Armour Institute in Chicago graduating in 1916. He worked as an architect in Memphis from 1919 until his death in 1958. Mann bought out Gatling in 1922 and shifted his practice to mostly residential work. George L. Richardson worked with him out of the Exchange Building in Memphis in 1928.