| Club: | Osasuna |
| Season: | 2013–14 |
| Chairman: | Miguel Archanco |
| Chrtitle: | President |
| Manager: | Javi Gracia |
| Mgrtitle: | Head coach |
| Stadium: | El Sadar |
| League: | La Liga |
| League Result: | 18th (Relegated) |
| Cup1: | Copa del Rey |
| Cup1 Result: | Round of 16 |
| League Topscorer: | Oriol Riera (13) |
| Season Topscorer: | Oriol Riera (13) |
| Highest Attendance: | 19,398 vs Real Betis (18 May 2014) |
| Lowest Attendance: | 10,403 vs Real Madrid (15 January 2014) |
| Average Attendance: | 14,184 vs Getafe (9 February 2014) |
| Pattern La1: | _osasuna1314h |
| Pattern B1: | _osacac01 |
| Pattern Ra1: | _osasuna1314h |
| Pattern Sh1: | _osasuna1314h |
| Pattern So1: | _osasuna1314h |
| Leftarm1: | 000000 |
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| Shorts1: | 000080 |
| Socks1: | 000080 |
| Pattern La2: | _osacac02 |
| Pattern B2: | _osacac02 |
| Pattern Ra2: | _osacac02 |
| Pattern Sh2: | _osasuna1314a |
| Pattern So2: | _osacac02 |
| Leftarm2: | FFFFFF |
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| Prevseason: | 2012–13 |
| Nextseason: | 2014–15 |
The 2013–14 CA Osasuna season is the 93rd season in club history. Osasuna have completed their 13th consecutive record in the top flight.
4–2–3–1 Formation
Total spending: €3.1M
Total spending €0
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See main article: 2013–14 La Liga.
See main article: 2013–14 Copa del Rey.