Jay Smith

Jay Smith may refer to:
 * Jay Smith (basketball) (born 1961), American basketball coach
 * Jay Smith (footballer, born September 1981), English football player for Southend and Notts County
 * Jay Smith (footballer, born December 1981), English football player for Brentford
 * Jay R. Smith (1915–2002), American child actor and comedian
 * J. R. Smith (born 1985), American basketball player
 * Jay C. Smith (1929–2009), former principal accused of murder
 * Jay "Saint" Smith, American songwriter
 * Jay Smith (Christian apologist) (born 1954), American Christian apologist
 * Jay Smith, member of the band Sinch
 * Jay Smith (singer) (born 1981), Swedish singer and winner of Swedish Idol in 2010