Ole Imerslun Reistad (26 June 1898 – 22 December 1949) was a Norwegian military officer and accomplished sports person.

He competed at the 1920 Summer Olympics in modern pentathlon, and also became Norwegian champion in the sport.

During World War II he was leader of the training camp Little Norway in Canada.

In the pentathlon he finished fourteenth at the 1920 Summer Olympics[3] and became Norwegian champion in 1922.

[4] He also participated in the 1928 Olympic Winter Games in St. Moritz, Switzerland, in the demonstration event military patrol.