Title heroine of a popular 1811 novel by Friedrich de la Motte Fouqué
Undine Spragg, ruthless social-climbing central character in The Custom of the Country (1913), EdithWharton's satire on American life; named Undine after the hair-curling tonic that made her father rich
Undine (2013), song by British folk musician Laura Marling, inspired by the German water nymph
Character in the novel 'Goddess of the Sea' by PC Cast
Undyne (the Undying), character in indie video game "Undertale"