Nansenia may refer to:
*
''Nansenia'' (fish) - a genus of
bony fish
Osteichthyes (), popularly referred to as the bony fish, is a diverse superclass of fish that have skeletons primarily composed of bone tissue. They can be contrasted with the Chondrichthyes, which have skeletons primarily composed of cartilag ...
*
853 Nansenia - a minor planet of the Sun system
{{Disambiguation