| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | 1 | Esteban Suárez | 1975-06-27 | 179 | 79 | 2017-06-30 | |
| GK | 13 | Juan Carlos | 1987-07-27 | 180 | 78 | 2018-06-30 | |
| D | 18 | Cristian Fernández | 1985-10-15 | 183 | 78 | 2018-06-30 | |
| D | 5 | David Fernández | 1985-04-06 | 188 | 2017-06-30 | ||
| D | 26 | Diego Pando | 1993-10-03 | 172 | 2017-06-30 | ||
| D | 3 | Francisco Varela | 1994-10-26 | 174 | 67 | 2018-06-30 | |
| D | 13 | Héctor Verdés | 1984-06-24 | 185 | 80 | 2017-06-30 | |
| D | 4 | Jonathan Vila | 1986-03-06 | 186 | 78 | 2017-06-30 | |
| D | 17 | José Manuel Fernández | 1989-11-18 | 168 | 66 | 2018-06-30 | |
| M | 20 | David Rocha | 1985-02-07 | 179 | 2018-06-30 | ||
| M | 12 | Héctor Fernández | 1993-02-08 | 2019-06-30 | |||
| M | 6 | Ion Erice | 1986-11-03 | 176 | 70 | 2017-06-30 | |
| M | 16 | Jorge Ortiz | 1992-04-25 | 173 | 2018-06-30 | ||
| M | 15 | Lucas Torró | 1994-07-19 | 188 | 2017-06-30 | ||
| M | 7 | Néstor Susaeta | 1984-12-11 | 177 | 74 | 2017-06-30 | |
| F | 11 | Jonathan Pereira | 1987-05-12 | 167 | 73 | 2017-06-30 | |
| F | 8 | Michu | 1986-03-21 | 191 | 76 | 2018-06-30 | |
| F | 10 | Miguel Linares | 1982-09-30 | 181 | 72 | 2017-06-30 | |
| F | 16 | Toché Verdú | 1983-01-01 | 181 | 78 | 2017-06-30 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 30.Jun | Martín Alaníz (F) | Real Oviedo | Club Atlético River Plate | Confirmed | |
| 30.Jun | Carlos De Pena (M) | Real Oviedo | Middlesbrough FC | Confirmed | |
| 30.Jun | Óscar Gil (D) | Real Oviedo | Athletic Club Bilbao | Confirmed | |
| 31.Jan | Carlos De Pena (M) | Middlesbrough FC | Real Oviedo | Confirmed | |
| 20.Jan | Eduardo Bedia (M) | Real Oviedo | Real Zaragoza | Confirmed | |
| 17.Aug | Óscar Gil (D) | Athletic Club Bilbao | Real Oviedo | Confirmed | |
| 27.Jul | Martín Alaníz (F) | Club Atlético River Plate | Real Oviedo | Confirmed | |
| 30.Jun | Diego Aguirre (M) | Real Oviedo | Rayo Vallecano | Confirmed | |
| 30.Jun | Mamadou Koné (F) | Real Oviedo | Racing Santander | Confirmed | |
| 30.Jun | José Manuel Fernández (D) | Real Oviedo | Real Zaragoza | Confirmed |