 Club Atlético Osasuna B |
| Founded: | 1962 |
| Official website: | www.osasuna.es |
| E-mail: | osasuna@osasuna.es |
| Manager: | Santiago CASTILLEJO |
| Name: | Instalaciones Tajonar |
| Capacity: | 4,000 |
| Primera Federación 2024/25 | |
|
| 30-Mar-2025 | 1a Fed (30) | Osasuna Promesas | 1-5 | Sestao River |
| 06-Apr-2025 | 1a Fed (31) | Unionistas | 1-3 | Osasuna Promesas |
| 12-Apr-2025 | 1a Fed (32) | Osasuna Promesas | 2-1 | Barakaldo |
| 20-Apr-2025 | 1a Fed (33) | Ponferradina | 3-2 | Osasuna Promesas |
| 26-Apr-2025 | 1a Fed (34) | Osasuna Promesas | 0-1 | FC Andorra |
| 04-May-2025 | 1a Fed (35) | Celta Fortuna | 3-0 | Osasuna Promesas |
| 11-May-2025 | 1a Fed (36) | Osasuna Promesas | 3-0 | Arenteiro |
| 17-May-2025 | 1a Fed (37) | Real Unión | 1-1 | Osasuna Promesas |
| 24-May-2025 | 1a Fed (38) | Osasuna Promesas | - | Ourense CF |
