Otto Monsen (August 19, 1887 – December 14, 1979) was a Norwegian track and field athlete who competed in the 1908 Summer Olympics and in the 1912 Summer Olympics.
[1] In 1908 he participated in the high jump competition but failed to clear a height.
Four years later he participated in the high jump competition again.
He cleared 1.75 metre but did not qualify for the final.
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