 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 | |
|
| 08-Oct-2023 | 1a Fed (7) | Osasuna Promesas | 1-2 | Lugo |
| 14-Oct-2023 | 1a Fed (8) | Tarazona | 1-3 | Osasuna Promesas |
| 22-Oct-2023 | 1a Fed (9) | Osasuna Promesas | 2-3 | Celta Fortuna |
| 29-Oct-2023 | 1a Fed (10) | Barcelona Atlètic | 2-1 | Osasuna Promesas |
| 05-Nov-2023 | 1a Fed (11) | Osasuna Promesas | 1-0 | Gimnàstic |
| 12-Nov-2023 | 1a Fed (12) | Fuenlabrada | 4-1 | Osasuna Promesas |
| 19-Nov-2023 | 1a Fed (13) | Osasuna Promesas | 1-1 | Rayo Majadahonda |
| 26-Nov-2023 | 1a Fed (14) | Deportivo | 1-1 | Osasuna Promesas |
| 03-Dec-2023 | 1a Fed (15) | Osasuna Promesas | - | Teruel |
| 10-Dec-2023 | 1a Fed (16) | Real Unión | - | Osasuna Promesas |
| 17-Dec-2023 | 1a Fed (17) | Sestao River | - | Osasuna Promesas |
| 04-Jan-2024 | 1a Fed (18) | Osasuna Promesas | - | SD Logroñés |
| 14-Jan-2024 | 1a Fed (19) | Real Sociedad B | - | Osasuna Promesas |
| 21-Jan-2024 | 1a Fed (20) | Osasuna Promesas | - | Tarazona |
| 28-Jan-2024 | 1a Fed (21) | Gimnàstic | - | Osasuna Promesas |
| 04-Feb-2024 | 1a Fed (22) | Osasuna Promesas | - | Ponferradina |
