Hans Nielsen

Hans Nielsen may refer to:


 * Hans Nielsen (actor) (1911–1965), German actor
 * Hans Nielsen (American football) (born 1952), Danish football player
 * Hans Nielsen (composer) (1580–1626), Danish madrigal composer at the court of Christian IV
 * Hans Nielsen (speedway rider) (born 1959), Danish speedway racer
 * Hans Bruun Nielsen, Danish mathematician
 * Hans Christian Nielsen (1928–1990), Danish footballer
 * Hans Christian Nielsen (cyclist) (1916–2004), Danish cyclist
 * Hans Frede Nielsen (1943–2021), Danish philologist
 * Hans Jacob Nielsen (1899–1967), Danish boxer
 * Hans Peter Nielsen (gymnast) (born 1943), Danish gymnast
 * Hans Peter Nielsen (politician) (1852–1928), Danish farmer and politician