Bernhoff Otelius Hansen (August 17, 1877 – December 22, 1950) was a Norwegian-American wrestler who competed in the 1904 Summer Olympics for the United States.

Originally, he was a Norwegian wrestler in Nordland, but one and a half years before the 1904 Olympic Games, he left Norway for the United States.

Hansen won three matches at the 1904 Olympics and the gold medal in the freestyle heavyweight category, wrestling on the United States team.

In 2012, Norwegian historians found documentation showing that Hansen was registered as an "alien" (foreigner) as late as 1925 and questioning whether he ever received American citizenship.

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