Robert A. Smith may refer to:
Robert Allan Smith (1909–1980), Scottish physicist Robert Allen Smith (born 1951), American comic book artist Robert Alfred Smith (1933–2010), English footballer Robert Angus Smith (1817–1884), Scottish chemist who investigated environmental issues Robert Archibald Smith (1780–1829), Scottish composer Robert Armstrong Smith (1827-1913), American politician Robert Ashley Smith (1890–1965), Major League Baseball (MLB) pitcher for the White Sox, 1913–1915 Robert Augustus Smith (1869–1942), U.S. Hall of Fame racehorse trainer
See also Robert A. Smith (1814–1879), birth name of British soldier and churchwarden Robert Smith-Dorrien