Otto Olavus Johannessen (25 July 1894 - 6 December 1962) was a Norwegian gymnast who competed in the 1920 Summer Olympics.

[1] He was part of the Norwegian team which won the silver medal in the gymnastics men's team, free system event.

His affiliation was with Bergens TF.

[2] This article about a Norwegian Olympic medalist is a stub.

You can help Wikipedia by expanding it.This biographical article related to Norwegian artistic gymnastics is a stub.