A Neopet (from Ancient Greek νέος meaning "new", and "pet") is any one of 55 fictional and sapient species of a virtual animals yet discovered to inhabit the world of Neopia.

Players on the Neopets website can adopt, raise, and play with these creatures. While different types of Neopets are classified into different species, the Neopet community is not divided amongst species boundaries. They are capable of home building, operating a market economy with currency, building and utilising tools and technologies of a range of complexity, and complex social interaction. Neopets enjoy art, sports and physical competition, and play.