| PROBE | Paleo Reconstructions Of Biogeochemical Environments 
| Others |
| PROBE | Patient Reported Outcomes Burdens and Experiences
| Others |
| PROBE | Personal Research On Basically Everything
| Others |
| PROBE | Pilot Radiation Observation Experiment
| Others |
| PROBE | Plainly Runs Only By Exception
| Others |
| PROBE | Plankton Research On the Bay Environment
| Others |
| PROBE | Potential Reentry Opportunities in Business and
| Others |
| PROBE | Potential Reentry Opportunities in Business and Education
| Others |
| PROBE | Power Research Organization for Basic Energy
| Others |
| PROBE | Presenting Research Orally To Broaden Exposures
| Others |
| PROBE | Professional Banking Education
| Others |
| PROBE | Prototype Build and Evaluation Process
| Others |
| PROBE | Public Report on Basic Education
| Others |