| Acronym | Definition |
|---|
| SJO➣San Jose, Costa Rica - Juan Santamaria International (Airport Code) |
| SJO➣St. Joseph-Ogden High School (St. Joseph, IL) |
| SJO➣Serious Juvenile Offender |
| SJO➣Studium Jezykow Obcych (Polish: Foreign Language Study; Wroclaw University of Technology; Poland) |
| SJO➣Sentimental Journey Orchestra (Atlanta, GA) |
| SJO➣Stabekk Janitsjar Orkester (Stabekk Symphonic Band; Norway) |