| Acronym | Definition |
|---|
| JPO | Joint Program Office |
| JPO | Japan Philharmonic Orchestra (Japan) |
| JPO | Journal of Pediatric Orthopaedics (Lippincott Williams & Wilkins) |
| JPO | Journal of Prosthetics and Orthotics |
| JPO | Japanese Patent Office |
| JPO | Juvenile Probation Officer |
| JPO | Joint Pipeline Office |
| JPO | Jump If Parity Odd |
| JPO | Journal of Physical Oceanography |
| JPO | Junior Police Officer (youth program; Hawaii) |
| JPO | Joint Petroleum Office |
| JPO | Joint Planning Office (GCOS) |
| JPO | Joint Psychological Operations |
| JPO | Japex Offshore Ltd. (Japan) |
| JPO | Justice and Peace Office |
| JPO | Joint Projects Office |
| JPO | Jimmy Page Online (fansite) |
| JPO | Joint Project Officer |
| JPO | Joint Prototyping Office |