| 1964–65 FIBA European Champions Cup | |
| League: | FIBA European Champions Cup |
| Sport: | Basketball |
| Top Scorer: | Radivoj Korać 54.8 |
| Finals: | Finals |
| Finals Link: | 1965 FIBA European Champions Cup Finals |
| Finals Champ: |  Real Madrid |
| Finals Runner-Up: | CSKA Moscow |
| Seasonslistnames: | FIBA European Champions Cup |
| Prevseason Link: | 1963–64 FIBA European Champions Cup |
| Prevseason Year: | 1963–64 |
| Nextseason Year: | 1965–66 |
| Nextseason Link: | 1965–66 FIBA European Champions Cup |
The 1964–65 FIBA European Champions Cup was the eighth season of the European top-tier level professional basketball club competition FIBA European Champions Cup (now called EuroLeague). It was won by Real Madrid, for the second straight time. Real defeated CSKA Moscow in the two-legged EuroLeague Finals, after losing the first game in Moscow, 88–81, and winning the second game at Madrid, 62–76.
During the season, Radivoj Korać, a member of the Yugoslav League club OKK Beograd, set the EuroLeague's all-time single-game scoring record, including all games played since 1958, when he scored 99 points in a game versus the Swedish League club Alviks.[1] [2]
25 teams. European national domestic league champions, plus the then current FIBA European Champions Cup title holders only, playing in a tournament system. The Finals were a two-game home and away aggregate.
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First leg Palace of Sports, Moscow;Attendance 15,000[3] (8 April 1965)[3] [4]
Second leg Frontón Vista Alegre, Madrid;Attendance 3,000[3] (13 April 1965)[3] [4]