A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
1987–88 Copa del Rey
...| 86th Copa del Rey | |
|---|---|
| Tournament details | |
| Country |  Spain |
| Defending champions | Real Sociedad |
| Final positions | |
| Champions | FC Barcelona |
| Runner-up | Real Sociedad |
The 1987–88 Copa del Rey was the 86th staging of the Copa del Rey. The trophy was won by FC Barcelona after beating defending champions Real Sociedad 1–0 in the final.
First round
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Second round
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Third round
Bye: Sestao Sport Club
Fourth round
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Elche CF | 2–1 | Málaga CF | 2–0 | 0–1 |
| CD Arnedo | 2–9 | Hércules CF | 2–3 | 0–6 |
| UD Salamanca | 1–3 | Valencia CF | 0–2 | 1–1 |
| Gimnàstic de Tarragona | 3–9 | Celta de Vigo | 1–1 | 2–8 |
| CD Eldense | 2–1 | Bilbao Athletic | 0–0 | 2–1 |
| CD Ourense | 0–4 | Recreativo de Huelva | 0–2 | 0–2 |
| Rayo Vallecano | 7–5 | Bergantiños FC | 3–2 | 4–3 |
| CD Tenerife | 2–4 | Barcelona Atletic | 0–1 | 2–3 |
| Real Burgos CF | 2–3 | Cartagena FC | 0–0 | 2–3 |
| Córdoba CF | 2–4 | Castilla CF | 2–0 | 0–4 |
| Getafe CF | 1–4 | Sestao Sport Club | 1–0 | 0–4 |
| CD Castellón | 3–3 (4–3 p) | CD Logroñés | 2–0 | 1–3 |
| Linares CF | 3–3 (3–1 p) | Real Oviedo | 1–1 | 2–2 |
Bye: UE Figueres, Racing de Santander