Hans Nielsen
Hans Nielsen may refer to:
- Hans Nielsen (actor), German actor
- Hans Nielsen (American football), Danish football player
- Hans Nielsen (composer), Danish madrigal composer at the court of Christian IV
- Hans Nielsen (speedway rider), Danish speedway racer
- Hans Bruun Nielsen, Danish mathematician
- Hans Christian Nielsen, Danish footballer
- Hans Christian Nielsen (cyclist), Danish cyclist
- Hans Frede Nielsen, Danish philologist
- Hans Jacob Nielsen, Danish boxer
- Hans Peter Nielsen (gymnast), Danish gymnast
- Hans Peter Nielsen (politician), Danish farmer and politician