| 1973 FIBA Intercontinental Cup | |
| League: | FIBA Intercontinental Cup |
| Sport: | Basketball |
| Finals Champ: |  Ignis Varese |
| Finals Runner-Up: |  Sírio |
| Seasonslistnames: | FIBA Intercontinental Cup |
| Prevseason Link: | 1970 FIBA Intercontinental Cup |
| Prevseason Year: | 1970 FIBA Intercontinental Cup |
| Altseason Link: | 1972 FIBA Intercontinental Cup of National Teams |
| Altseason Year: | 1972 Intercontinental Cup of National Teams |
| Nextseason Year: | 1974 FIBA Intercontinental Cup |
| Nextseason Link: | 1974 FIBA Intercontinental Cup |
The 1973 FIBA Intercontinental Cup William Jones was the 7th edition of the FIBA Intercontinental Cup for men's basketball clubs. It took place at Ginásio do Ibirapuera, São Paulo. From the FIBA European Champions Cup participated Ignis Varese and Jugoplastika, from the South American Club Championship participated Sírio and Vaqueros de Bayamón, and from the NABL participated the Lexington Marathon Oilers.
| Continent | Teams! | Clubs | |||||
|---|---|---|---|---|---|---|---|
| 2 | Ignis Varese | Jugoplastika | |||||
| 2 |  Lexington Marathon Oilers | Vaqueros de Bayamón | |||||
| 1 | Sírio | ||||||
Day 1, May 1, 1973|}
Day 2, May 2, 1973|}
Day 3, May 3, 1973|}
Day 4, May 4, 1973|}
Day 5, May 5, 1973|}
| width=15 | width=220 | Team | width=20 | Pld | width=30 | Pts | width=20 | W | width=20 | L | width=20 | PF | width=20 | PA | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Ignis Varese | 4 | 6 | 3 | 1 | 364 | 314 | ||||||||
| 2. | Sírio | 4 | 6 | 3 | 1 | 369 | 334 | ||||||||
| 3. | Vaqueros de Bayamón | 4 | 6 | 3 | 1 | 322 | 335 | ||||||||
| 4. | Jugoplastika | 4 | 2 | 1 | 3 | 331 | 356 | ||||||||
| 5. | Lexington Marathon Oilers | 4 | 0 | 0 | 4 | 342 | 389 |