William M. Blackford

William M. Blackford
portrait by Emanuel Leutze
BornAugust 19, 1801 
DiedApril 1864  (aged 62–63)
Spouse(s)Mary Berkeley Minor Blackford 

William Mathews Blackford (August 19, 1801, Catoctin Furnace, Maryland–April 15, 1864 at home in Lynchburg, Virginia) was a journalist and American chargé d'affaires to the Republic of New Granada, based in Bogota, where he helped to negotiate a new postal treaty.