Otohiko Hara (原乙彦, Hara Otohiko, January 1, 1925 – April 9, 2018) was a Japanese corporate executive. He was formerly known as Otohiko Yabashi, whose family has the known pedigree record dating back to the Saga Genji (嵯峨源氏) and Minamoto no Tōru (源融) who is sometimes mentioned as the model for Hikaru Genji (光源氏) in important Japanese literary classic The Tale of Genji (源氏物語), a branch line of Emperor Saga. Former chief executive officer of Unitika Tsusho [:ja:] (later, Unitika Trading [:ja:]). One of the first Japanese businesspersons who led Dai Nippon Spinning Co., Ltd. (later, Unitika), one of Japan's three largest textile makers, to the first overseas expansion of Japanese corporations after World War II.