Niels Hansen

• Niels Hansen (German footballer), German football midfielder
• Niels Hansen (diplomat), former German ambassador to Israel
• Niels Ebbesen Hansen, Danish horticulturist and botanist
• Niels Flemming Hansen, Danish politician and MF
• Niels Jacob Hansen, Danish opera singer who sang tenor
• Niels Wal Hansen, Danish Olympic sailor
• Niels Christian Hansen, Danish portrait and genre painter
• Niels-Jørgen Hansen, Danish darts player
• Niels Peder Hansen, Danish football goalkeeper who played on the Denmark national football team