| PESTO | Percussive Electronic Solenoid Thrust Organ 
| Others |
| PESTO | Perfection Excellence Stellar Terrific Outstanding
| Others |
| PESTO | Personnel Equipment Supply Training and Ordnance
| Others |
| PESTO | Photosynthesis Experiment System Testing and Operations
| Others |
| PESTO | Photosynthesis Experiments and System Testing and Operations
| Others |