 1 | | Nadal, Francesc Xavier |
| 1 | | Navarrete, J. |
| 1 | | Nicolau, Maria Esperança |
| 1 | | Oliver, Joan Antoni |
| 1 | | Oliver, Mateu |
| 2 | | Onac, Bogdan P. |
| 1 | | Oromí, Pedro |
| 1 | | Ottenwalder, José Alberto |
| 3 | | Grup Espeleològic Est (Palma) |
| 1 | | Palomar, Beatriz |
| 1 | | Pardo, José Vicente |
| 1 | | Pasqual, Antoni |
| 1 | | Payeras, C. |
| 1 | | Pazzelli, Laura |
| 2 | | Perelló, Miquel Àngel |
| 1 | | Pericàs, Joan |
| 5 | | Petrus, Joan L. |
| 7 | | Pla, Vicenç |
| 2 | | Plomer, Tomeu |
| 3 | | Pocoví, Jaume |
| 2 | | Pol, Andreu |
| 1 | | Polak, Slavko |
| 1 | | Pomar, Francesc |
| 2 | | Pomar Gomà, Lluís |
| 1 | | Pomar, L. |
| 1 | | Pomar, Luis |
| 9 | | Pons Buades, Guillem Xavier |
| 1 | | Pons, Guillem |
| 5 | | Pons, Guillem X. |
| 1 | | Pons, Guillem Xavier |
| 1 | | Pons, J. |
| 16 | | Pons Moyà, Joan |
| 1 | | Pons, R. |
| 1 | | Pérez Berrocal, José Antonio |
