J.T. Smith may refer to:
J. T. Smith (wrestler) (born 1967), American retired professional wrestler J. T. Smith (American football) (born 1955), former American football player J. T. Smith (musician) (fl. 1920s–1930s), American blues musician J.T. Smith (sprinter) (born 1998), American sprinter LL Cool J, born 1968, James Todd Smith