Halfdan Hansen

{{Short description|Norwegian sailor}}

{{MedalTableTop|Halfdan Hansen.jpg|150px|Halfdan Hansen}}

{{MedalSport|Men's sailing}}

{{MedalCountry | {{NOR}} }}

{{MedalCompetition|Summer Olympics}}

{{MedalGold|1912 Stockholm | 12 metre class}}

{{MedalBottom}}

Halfdan Nicolai Hansen (October 16, 1883 – April 1, 1953) was a Norwegian sailor who competed in the 1912 Summer Olympics. He was a crew member of the Norwegian boat Magda IX, which won the gold medal in the 12 metre class.{{cite web|url=https://www.olympedia.org/athletes/62268 |title=Halfdan Hansen |work=Olympedia |access-date=31 May 2021}}