Niels Larsen (disambiguation)

Niels Larsen (1889–1969) was a Danish sport shooter.

Niels Larsen may also refer to:

• Niels Bjørn Larsen (1913–2003), Danish ballet dancer and choreographer
• Niels P. Larsen, Danish-American politician
• Nils Larsen (pianist) (1888–1937), Norwegian pianist and composer

• Niels Larsen Bruun (1893–1970), Norwegian admiral
• Niels A. Lassen (1926–1997), Danish physician and neurologist
• Niels Lassen (farmer) (c. 1729–1811), Danish farmer
• Niels Larsen Stevns (1864–1941), Danish painter and sculptor