Cary Guffey (born May 10, 1972) is an American former child actor and financial planner. He is best known for his debut in the role of Barry Guiler in the film Close Encounters of the Third Kind (1977).

• Close Encounters of the Third Kind (1977)

  
• Cross Creek (1983)

  
• Night Shadows (1984)

  
• Chissà perché... capitano tutte a me (1980)

  
• Uno sceriffo extraterrestre... poco extra e molto terrestre (1979)