Nona, goddess of destiny in Roman mythology
Strega Nona, children's book by Tomie dePaola and its main character
Nona, the girl in Bowling For Soup's "Girl All the Bad Guys Want"
NonaClark, character on TV's "666 Park Avenue"
Nona Mecklenberg, character on TV's "The Adventures of Pete & Pete"
Nona, character in video game "Oxenfree"
"Nona," short story by StephenKing and its title character