Olympiacos
1965/66Cup Winners' Cup round of 32→Out in the Cup Winners' Cup round of 16
Coefficient points4earned for Greece this season
Record1-2-14 matches played
Goals4:7-3 goal difference
Club coefficient1.000the club's own running total
CWC Cup Winners' Cup
Olympiacos
| Stage | Date | Match | Score | Outcome | Pts |
|---|---|---|---|---|---|
| CWC · R32 · 1st leg | 26 Sep 1965 | Omonia – Olympiacos | 0:1 | 2 | |
| CWC · R32 · 2nd leg | 10 Oct 1965 | Olympiacos – Omonia | 1:1 | Through to the round of 16 (CWC) | 1 |
| CWC · R16 · 1st leg | 24 Nov 1965 | West Ham United – Olympiacos | 4:0 | 0 | |
| CWC · R16 · 2nd leg | 1 Dec 1965 | Olympiacos – West Ham United | 2:2 | Eliminated | 1 |
See also: every Greece club in 1965/66 · the 1965/66 coefficient table.