Nickname for Orenthal James "O. J." Simpson

Oujay, a character in the video game Fire Emblem: Fuuin no Tsurugi

Orlando Jordan, a professional wrestler

OJ Mayo, collegiate basketball player for USC

The O'Jays is a 1970s soul group from Philadelphia, Pennsylvania

Shorthand for orange juice

OJ (TUGS), a character from the 1989 children's series TUGS

Abbreviation for the Official Journal of the European Union

Overland Airways IATA airline designator

Orange Jackets, a student organization at the University of Texas at Austin

Canadian radio station CJOJ-FM, formerly branded OJ 95.5.

Ojibwe language (ISO 639 alpha-2)