 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 2023/24 | |
|
| 25-Feb-2024 | 1a Fed (25) | Osasuna Promesas | 0-4 | Deportivo |
| 02-Mar-2024 | 1a Fed (26) | Cornellà | 0-0 | Osasuna Promesas |
| 10-Mar-2024 | 1a Fed (27) | Osasuna Promesas | 1-2 | Fuenlabrada |
| 16-Mar-2024 | 1a Fed (28) | Unionistas | 1-2 | Osasuna Promesas |
| 24-Mar-2024 | 1a Fed (29) | Osasuna Promesas | 0-0 | Cultural Leonesa |
| 31-Mar-2024 | 1a Fed (30) | Osasuna Promesas | 2-3 | Barcelona Atlètic |
| 06-Apr-2024 | 1a Fed (31) | Celta Fortuna | 4-1 | Osasuna Promesas |
| 14-Apr-2024 | 1a Fed (32) | Osasuna Promesas | 2-0 | Sabadell |
| 21-Apr-2024 | 1a Fed (33) | SD Logroñés | - | Osasuna Promesas |
| 27-Apr-2024 | 1a Fed (34) | Osasuna Promesas | - | Real Unión |
| 05-May-2024 | 1a Fed (35) | Rayo Majadahonda | - | Osasuna Promesas |
| 12-May-2024 | 1a Fed (36) | Osasuna Promesas | - | Sestao River |
| 18-May-2024 | 1a Fed (37) | Teruel | - | Osasuna Promesas |
| 25-May-2024 | 1a Fed (38) | Osasuna Promesas | - | Real Sociedad B |
