Niels Andersen

Niels Andersen may refer to:


 * Niels Andersen (sport shooter) (1867–1930), Danish sport shooter
 * Niels Andersen (actor) (born 1942), Danish actor
 * Niels Erik Andersen (born 1945), Danish football player
 * Niels Andersen (businessman) (1835–1911), Danish businessman and politician
 * Niels Siggaard Andersen, Danish and later Norwegian curler