Olaf Sigvart Hovdenak[1] (October 6, 1891 – September 12, 1929) was a Norwegian long-distance runner.
He represented SK Freidig in Trondheim.
[2] At the 1912 Summer Olympics, he participated in the individual cross country competition and finished nineteenth.
Together with his teammates Parelius Finnerud and Johannes Andersen, he finished fourth in the team cross country competition.
This biographical article relating to Norwegian athletics is a stub.