OJC
| Acronym | Definition |
|---|---|
| OJC | Original Jazz Classics (Fantasy Records) |
| OJC | Otero Junior College (La Junta, CO) |
| OJC | Operation Just Cause |
| OJC | Ontario Jockey Club (Canadian horse racing organization; now known as Woodbine Entertainment) |
| OJC | Ohio Judicial Conference |
| OJC | Online Job Center (various organizations) |
| OJC | Open Jumper's Certificate (Dog Agility Title) |
| OJC | Orange Jam Conspiracy (band) |
| OJC | Ocala Jeep Club of Florida |
| OJC | Olathe, KS, Johnson County Executive Airport |