Justin Smith may refer to:

Entertainment

Justin Smith (actor), Australian television and stage actor

Justin Smith (poker player) (born 1988), American poker player

Justin Smith (presenter) (born 1968), Australian journalist, radio presenter, producer and writer Justin Smith (born 1978), American hip hop music producer known as Just Blaze Justin Smith, member of the singing group Jericho Road

Justin Smith

Sports

Justin Smith (basketball) (born 1999), American basketball player

Justin Smith (defensive end) (born 1979), former American football defensive end

Justin Smith (linebacker) (born 1979), American football player

Justin Smith (rugby league) (born 1977), Australian rugby league player

Justin Smith (soccer) (born 2003), Canadian soccer player

Other

Justin Smith (milliner) (born 1978), British hat maker

Justin A. Smith (1818–1879), New York politician

Justin B. Smith (born 1969), American businessman at Bloomberg

Justin E. H. Smith (born 1972), Canadian-American philosopher and author

Justin Harvey Smith (1857–1930), American historian

Justin Smith