Say Hey may refer to:
Sports Willie Mays (1931–2024), American baseball player, nicknamed “the Say Hey Kid”
Music Say Hey Records, a 2003–2008 American record label "Say Hey (I Love You)", a song by Michael Franti & Spearhead featuring Cherine Anderson, 2008 "Say Hey", a song by Ira Losco, 2004 "Say Hey", a song by Kylie Minogue from Impossible Princess, 1997 "Say Hey", a song by the Tubes from Love Bomb, 1985