| Final positions | |
|---|---|
| Champions | |
| Runners-up | |
| Tournament statistics | |
| Matches played | 104 |
The eighth Inter-Cities Fairs Cup was played over the 1965–66 season. The competition was won by Barcelona over two legs in an all-Spanish final against Zaragoza. It was the sixth and final time that a Spanish side won the competition, and Barcelona's third title.
First round
| Team #1 | Agg. | Team #2 | 1st leg | 2nd leg | Playoff |
|---|---|---|---|---|---|
| Stade Français FC | 0–1 | 0–0 | 0–1 | ||
| R. Antwerp F.C. | 4–3 | 1–0 | 3–3 | ||
| DOS Utrecht | 1–7 | 0–0 | 1–7 | ||
| FC Girondins de Bordeaux | 1–10 | 0–4 | 1–6 | ||
| RFC Liegeois | 1–2 | 1–0 | 0–2 | ||
| Daring Brussels | 1–3 | 1–3 | 0–0 | ||
| Malmö FF | 0–7 | 0–3 | 0–4 | ||
| PAOK FC | 2–7 | 2–1 | 0–6 | ||
| Chelsea | 4–1 | 4–1 | 0–0 | ||
| Milan | 2–2 | 1–0 | 1–2 | 1–1 (a.e.t.) (c) | |
| FK Red Star | 1–7 | 0–4 | 1–3 | ||
| Spartak Brno | 2–1 | 2–0 | 0–1 | ||
| Leeds United | 2–1 | 2–1 | 0–0 | ||
| Hibernian F.C. | 2–2 | 2–0 | 0–2 | 0–3 | |
| US Luxembourg | 0–17 | 0–4 | 0–13 | ||
| 1. FC Nürnberg | 1–2 | 1–1 | 0–1 |
First leg
| Leeds United | 2–1 | |
|---|---|---|
| Bremner Peacock |
Orlando |
| Milan | 1–0 | |
|---|---|---|
| Fortunato |
| FK Red Star | 0–4 | |
|---|---|---|
| Bertini Hamrin Nuti |
| PAOK FC | 2–1 | |
|---|---|---|
| Koudas Mouratidis |
Hof |
Second leg
Porto won 1–0 on aggregate.
Chelsea won 4–1 on aggregate.
RC Strasbourg 2–2 Milan on aggregate.
| Milan | 1–1 | |
|---|---|---|
| Angelillo |
Szczepaniak |
Milan 1–1 RC Strasbourg in play-off. Milan advanced on a coin toss.
| Fiorentina | 3–1 | |
|---|---|---|
| Hamrin Pirovano Brugnera |
Milošević |
Fiorentina won 7–1 on aggregate.
| Torino | 0–0 | |
|---|---|---|
Leeds United won 2–1 on aggregate.
| Wiener Sportclub | 6-0 | |
|---|---|---|
| Hof Gayer |
Wiener won 8–2 on aggregate.
Second round
| Team #1 | Agg. | Team #2 | 1st leg | 2nd leg | Playoff |
|---|---|---|---|---|---|
| Hannover 96 | 6–2 | 5–0 | 1–2 | ||
| R. Antwerp F.C. | 2–3 | 2–1 | 0–2 | ||
| Sporting Clube de Portugal | 5–5 | 2–1 | 3–4 | 1–2 | |
| NK Zagreb | 2–3 | 2–2 | 0–1 | ||
| AIK Fotboll | 3–5 | 2–1 | 1–4 | ||
| Göztepe A.Ş. | 3–10 | 2–1 | 1–9 | ||
| Wiener Sportclub | 1–2 | 1–0 | 0–2 | ||
| GD CUF | 2–2 | 2–0 | 0–2 | 0–1 | |
| Dunfermline Athletic F.C. | 9–2 | 5–0 | 4–2 | ||
| Fiorentina | 2–4 | 2–0 | 0–4 | ||
| Heart of Midlothian F.C. | 4–1 | 1–0 | 3–1 | ||
| Shamrock Rovers | 2–3 | 1–1 | 1–2 | ||
| SC Leipzig | 1–2 | 1–2 | 0–0 | ||
| FC Basel | 2–8 | 1–3 | 1–5 | ||
| Aris Thessaloniki F.C. | 2–3 | 2–1 | 0–2 | ||
| Újpest FC | 4–2 | 3–0 | 1–2 |
First leg
| Hannover 96 | 5–0 | |
|---|---|---|
| Rodekamp Hans Siemensmeyer Jürgen Bandura Udo Nix |
Report |
| Zagreb | 2–2 | |
|---|---|---|
|
Report |
|
| Shamrock Rovers | 1–1 | |
|---|---|---|
| Tuohy |
Report | Reija |
| Fiorentina | 2–0 | |
|---|---|---|
| De Sisti Hamrin |
| SC Leipzig | 1–2 | |
|---|---|---|
| Frenzel |
Lorimer Bremner |
Second leg
| 2–1 | Hannover 96 | |
|---|---|---|
| Manuel António Custódio Pinto |
Report | Udo Nix |
Hannover 96 won 6–2 on aggregate.
| Steagul Roșu Brașov | 1–0 | |
|---|---|---|
|
Report |
Steagul Roșu Brașov won 3–2 on aggregate.
| 2–1 | Shamrock Rovers | |
|---|---|---|
| Santos Canário |
Report | Fullam |
Real Zaragoza won 3–2 on aggregate.
Leeds won 2–1 on aggregate.
Milan 2–2 GD CUF on aggregate.
Milan won 1–0 in play-off.
| Spartak Brno | 4–0 | |
|---|---|---|
| Hradský Lichtnégl |
Spartak Brno won 4–2 on aggregate.
Valencia won 8–2 on aggregate.
Third round
| Team #1 | Agg. | Team #2 | 1st leg | 2nd leg | Playoff |
|---|---|---|---|---|---|
| Hannover 96 | 2–2 | 2–1 | 0–1 | 1–1 (a.e.t.) (c) | |
| RCD Espanyol | 5–5 | 3–1 | 2–4 | 1–0 | |
| Servette FC | 2–5 | 1–1 | 1–4 | ||
| Milan | 3–3 | 2–1 | 1–2 | 1–1 (a.e.t.) (c) | |
| Dunfermline Athletic F.C. | 2–0 | 2–0 | 0–0 | ||
| Heart of Midlothian F.C. | 5–5 | 3–3 | 2–2 | 0–1 | |
| Leeds United | 2–1 | 1–1 | 1–0 | ||
| 1. FC Köln | 3–6 | 3–2 | 0–4 |
First leg
| Espanyol | 3–1 | |
|---|---|---|
|
Report |
|
| Leeds United | 1–1 | |
|---|---|---|
| Lorimer |
Múñoz |
Second leg
| Steagul Roșu Brașov | 4–2 | |
|---|---|---|
|
Report |
|
Steagul Roșu 5–5 Espanyol on aggregate.
| Steagul Roșu Brașov | 0–1 | |
|---|---|---|
| Report |
|
Chelsea 3–3 Milan on aggregate.
Milan 1–1 Chelsea in play-off. Chelsea advanced on a coin toss.
| Valencia CF | 0–1 | |
|---|---|---|
| O'Grady |
Leeds won 2–1 on aggregate.
Quarter-finals
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| FC Barcelona |
2–0 | 1–0 | 1–0 | |
| TSV 1860 Munich |
2–3 | 2–2 | 0–1 | |
| Dunfermline Athletic F.C. |
3–4 | 1–0 | 2–4 | |
| Leeds United |
5–2 | 4–1 | 1–1 |
First leg
| Leeds United | 4–1 | |
|---|---|---|
| Cooper Bell Storrie Bremner |
Antal Dunai |
Second leg
| Újpest FC | 1–1 | |
|---|---|---|
| Laszlo Fazekas |
Lorimer |
Leeds won 5–2 on aggregate.
Semi-finals
| Team #1 | Agg. | Team #2 | 1st leg | 2nd leg | Playoff |
|---|---|---|---|---|---|
| FC Barcelona | 2–2 | 2–0 | 0–2 | 5–0 | |
| Real Zaragoza | 2–2 | 1–0 | 1–2 | 3–1 |
First leg
| Real Zaragoza | 1–0 | |
|---|---|---|
| Carlos Lapetra |
Second leg
| Leeds United | 2–1 | |
|---|---|---|
| Johanneson Charlton |
Canário |
Leeds – Zaragoza 2–2 on aggregate, replay is needed. Leeds won toss to play at home
| Leeds United | 1–3 | |
|---|---|---|
| Charlton |
Marcelino Violeta Brito |
Zaragoza won 5–3 on aggregate.
Chelsea – Barcelona 2–2 on aggregate, replay is needed. Barcelona won toss to play at home
| FC Barcelona | 5–0 | |
|---|---|---|
| Fusté Zaballa Rifé |
Barcelona won 7–2 on aggregate.
Final
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| FC Barcelona |
4–3 | 0–1 | 4–2 (a.e.t.) |