Fafnir is a dragon from Norse mythology, originally a son of the dwarf king Hreidmar.
Fafnir or Fafner may also refer to:
- Bramo 323 Fafnir, a German radial piston aero-engine
- Fafnir (automobile), a German car and motor cycle manufacturer
- Fafnir (journal), a Nordic Journal of Science Fiction and Fantasy Research
- Fafnir (Marvel Comics), an Asgardian monster and foe of the Thunder God Thor
- Fafner in the Azure, a Japanese anime series
- RRG Fafnir, a German pre-WW II high-performance glider
- RRG Fafnir 2, a single seat German high performance glider
- Fafnir, a planet in Larry Niven's Known Space universe
- Fighting Fefnir, a character in the Mega Man Zero series
- Fafnir, the star 42 Draconis
| This disambiguation page lists articles associated with the title Fafnir.
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