Undina is an alternative name for Undine, a category of elemental beings associated with water.
Undina may also refer to:
Music Undina, an opera by Alexei Lvov (1846) Undina (Tchaikovsky), an opera (1869) by Pyotr Tchaikovsky to the Russian libretto by Vladimir Sollogub Undina, a juvenile opera by Prokofiev
Science Undina (fish), a genus of prehistoric lobe-finned fish 92 Undina, an asteroid
See also Ondine (disambiguation) Undine (disambiguation)