Robert B. Smith

Robert B. Smith may refer to:


 * Robert B. Smith (Virginia mayor) (fl. mid-20th century), American politician
 * Robert Bache Smith (1875–1951), American librettist and lyricist
 * Robert Barr Smith (1824–1915), Australian businessman and philanthropist
 * Robert Black Smith (1872–1931), member of the Legislative Assembly of New Brunswick
 * Robert Bruce Smith IV (1945–2014), American music and history expert
 * Robert Burdett Smith (1837–1895), solicitor and politician in colonial New South Wales
 * Robert Burns Smith (1854–1908), American politician, Governor of Montana
 * Robert Smith (defensive end) (born 1962), American football player