Roger Smith may refer to:

Entertainment Roger Smith (actor) (1932–2017), American television and film actor and screenwriter Roger Craig Smith (born 1975), American voice actor Roger Guenveur Smith (born 1955), American writer, director, and actor Roger Smith, American musician, known as keyboarder of funk band Tower of Power Roger Smith (The Big O), lead character in The Big O Roger (American Dad!), the Smiths' "pet" alien in American Dad!

Sports Roger Smith (footballer, born 1944), English footballer Roger Smith (footballer, born 1945), English footballer Roger Smith (New Zealand footballer) Roger Smith (field hockey) (born 1960), former Australian field hockey player Roger Smith (tennis) (born 1964), Bahamian tour tennis player

Other Roger Smith (executive) (1925–2007), American businessman, CEO of GM Roger Smith (biologist), founder of the Millennium Seed Bank Project Roger Smith (journalist) (born 1951), Canadian television journalist Roger W. Smith (born 1970), British watchmaker Bird and Roger Smith, co-founders of the Scouting movement in the Malaysian state of Negeri Sembilan