| Club: | Athletic Club |
| Season: | 2013–14 |
| Chairman: | Josu Urrutia |
| Chrtitle: | President |
| Manager: | Ernesto Valverde |
| Mgrtitle: | Head coach |
| Stadium: | San Mamés |
| League: | La Liga |
| League Result: | 4th |
| Cup1: | Copa del Rey |
| Cup1 Result: | Quarter-finals |
| League Topscorer: | Aritz Aduriz (16) |
| Season Topscorer: | Aritz Aduriz (18) |
| Prevseason: | 2012–13 |
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The 2013–14 season was Athletic Bilbao's 115th in existence and the club's 83rd consecutive season in the top flight of Spanish football.
In addition to La Liga, Athletic Bilbao also competed in the Copa del Rey, being eliminated in the quarter-finals.
Total spending: €15,100,000
Total income: €0
Expenditure: €15,100,000
| Position | Name | |
|---|---|---|
| First team manager | Ernesto Valverde | |
| Assistant coach | Jon Aspiazu | |
| Physical fitness coaches | José Antonio Pozanco, Xabier Clemente | |
| Goalkeeping coach | Aitor Iru |
The numbers and stats are established according to the official website: www.athletic-club.net
| No. | Pos. | Nat. | Name | League | Cup | Total | Discipline | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apps | Goals | Apps | Goals | Apps | Goals | |||||||
| 1 | GK |  | Gorka Iraizoz | 33 | 0 | 0 | 0 | 33 | 0 | |||
| 2 | FW | | Gaizka Toquero | 5 (15) | 0 | 1 | 0 | 6 (15) | 0 | 4 | 1 | |
| 3 | MF | | Iñigo Pérez | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 4 | DF |  | Aymeric Laporte | 33 (2) | 2 | 3 | 0 | 36 (2) | 2 | 6 | 1 | |
| 5 | MF | | Erik Morán | 4 (10) | 0 | 1 (1) | 0 | 5 (11) | 0 | 4 | 1 | |
| 6 | DF | | Mikel San José | 19 (6) | 5 | 5 | 0 | 24 (6) | 5 | 8 | 1 | |
| 7 | MF | | Beñat | 12 (11) | 1 | 1 (3) | 0 | 13 (14) | 1 | 4 | ||
| 8 | MF | | Ander Iturraspe | 31 (2) | 0 | 5 | 0 | 36 (2) | 0 | 9 | ||
| 9 | FW | | Kike Sola | 2 (3) | 1 | 2 (2) | 0 | 4 (5) | 1 | |||
| 10 | MF | | Óscar de Marcos | 19 (16) | 5 | 2 (2) | 0 | 21 (18) | 5 | 3 | ||
| 11 | FW | | Ibai | 6 (12) | 8 | 4 (2) | 0 | 10 (14) | 8 | |||
| 12 | DF | | Unai Albizua | 0 (4) | 0 | 0 | 0 | 0 (4) | 0 | |||
| 13 | GK | | Iago Herrerín | 5 (1) | 0 | 6 | 0 | 11 (1) | 0 | 1 | ||
| 14 | MF | | Markel Susaeta | 34 (4) | 6 | 4 (1) | 1 | 38 (5) | 7 | 1 | ||
| 15 | DF | | Andoni Iraola | 28 (6) | 1 | 6 | 0 | 34 (6) | 1 | 5 | ||
| 16 | DF | | Xabier Etxeita | 2 (1) | 0 | 0 | 0 | 2 (1) | 0 | |||
| 17 | MF | | Mikel Rico | 31 (3) | 5 | 6 | 2 | 37 (3) | 7 | 10 | ||
| 18 | MF | | Carlos Gurpegui (c) | 27 | 2 | 4 (1) | 0 | 31 (1) | 2 | 9 | ||
| 19 | FW | | Iker Muniain | 33 (3) | 7 | 3 (1) | 2 | 36 (4) | 9 | 8 | ||
| 20 | FW | | Aritz Aduriz | 26 (5) | 16 | 3 (2) | 2 | 29 (7) | 18 | 9 | 1 | 1 |
| 21 | MF | | Ander Herrera | 31 (2) | 5 | 4 (2) | 0 | 35 (4) | 5 | 7 | ||
| 22 | DF | | Enric Saborit | 2 (3) | 0 | 0 | 0 | 2 (3) | 0 | 1 | ||
| 23 | DF | | Borja Ekiza | 1 | 0 | 0 (1) | 0 | 1 (1) | 0 | |||
| 24 | DF | | Mikel Balenziaga | 31 | 0 | 6 | 0 | 37 | 0 | 5 | ||
| 28 | FW | | Guillermo Fernández | 4 (5) | 1 | 0 | 0 | 4 (5) | 1 | |||
See main article: 2013–14 La Liga.
Kickoff times are in CET.
See main article: 2013–14 Copa del Rey.