Andretti is a surname. It could refer to multiple people. The Andretti family of auto racing

  • Mario Andretti
    • Michael Andretti, son of Mario
      • Marco Andretti, son of Michael
    • Jeff Andretti, son of Mario
  • Aldo Andretti, twin brother of Mario
    • John Andretti, son of Aldo
    • Adam Andretti, son of Aldo

Also, as not related to the above

  • Julian Andretti, actor (adult)
  • Andretti Bain

Also it could mean

  • Andretti Autosport, race team, of which Michael Andretti is an owner
  • Andretti Racing, a video game
  • Michael Andretti's World GP
  • Michael Andretti's Indy Car Challenge