Undine may refer to:
- The enemy from Vagrant Story.
- The boss from Final Fantasy Dimensions.
- The enemy from Final Fantasy Brave Exvius.
- The card from Mobius Final Fantasy.
Undines are elementals, enumerated as the water elementals in works of alchemy by Paracelsus. They also appear in European folklore as fairy-like creatures; the name may be used interchangeably with those of other water spirits. In German myths, Ondines are water nymphs.