OJC

OJC may refer to:


 * Central Ojibwa language (ISO 639-3 designation)
 * Johnson County Executive Airport (IATA airport code)
 * Operation Just Cause, the 1989–1990 United States invasion of Panama
 * Original Jazz Classics, an American record label
 * Otero College (formerly Otero Junior College), La Junta, Colorado, US
 * Reichenberg Fellowship (German: Offensive Junger Christen), a German non-denominational ecumenical community