Quest 3 or Quest III may refer to:
Deltora Quest 3, a series of children's fantasy books Dragon Quest III, a 1988 role-playing video game King's Quest III, third installment in the King's Quest series of graphic adventure games Meta Quest 3, a virtual reality headset developed by Reality Labs Police Quest III: The Kindred, a 1991 police procedural point-and-click adventure video game Space Quest III, a 1989 graphic adventure game