Good Boy may refer to:

• Good Boy (EP), an EP by Baek Ji-young
• Good Boy, a 1928 musical by Herbert Stothart, Otto Harbach, Bert Kalmar, and Harry Ruby
• "Good Boy" (song), a song by G-Dragon and Taeyang
• Good Boy (comics), a Marvel Comics character
• Good Boy!, a 2003 film
• The Good Boy, a 2016 Russian film directed by Oksana Karas
• "Good Boy" (Into the Dark), an episode of the second season of Into the Dark
• Good Boy (2005 film)
• Good Boy (2023 film)
• Gud Boy, a 2012 Indian Oriya film
• "Gxxd Boy", a song by Everglow