Ohi or OHI may refer to:
Elizabeth K. Ohi (1911–1976), Japanese-American lawyer Ohi Day, Greek celebration Ohi Racecourse, in Tokyo Ohi-Rail Corporation Ōi Nuclear Power Plant OHI, IATA Airport Code for Oshakati Airport Ruth Ohi, Japanese-Canadian picture book writer and illustrator, and winner of a 2009 Marilyn Baillie Picture Book Award typographical error of Ohio