| 1984 FIBA Intercontinental Cup | |
| League: | FIBA Intercontinental Cup |
| Sport: | Basketball |
| Finals Champ: |  Banco Roma |
| Finals Runner-Up: |  Obras Sanitarias |
| Seasonslistnames: | FIBA Intercontinental Cup |
| Prevseason Link: | 1983 FIBA Intercontinental Cup |
| Prevseason Year: | 1983 FIBA Intercontinental Cup |
| Nextseason Year: | 1985 FIBA Club World Cup |
| Nextseason Link: | 1985 FIBA Club World Cup |
The 1984 FIBA Intercontinental Cup William Jones was the 18th edition of the FIBA Intercontinental Cup for men's basketball clubs and the 17th edition of the tournament in the form of a true intercontinental cup. It took place at Ginásio do Ibirapuera, São Paulo. From the FIBA European Champions Cup (EuroLeague) participated Banco Roma and FC Barcelona, from the South American Club Championship, participated Sírio and Obras Sanitarias, and from the NABL, participated the Lexington Marathon Oil.
| Continent | Teams! | Clubs | |||||
|---|---|---|---|---|---|---|---|
| 2 | Banco Roma |  FC Barcelona | |||||
| 2 |  Sírio | Obras Sanitarias | |||||
| 1 |  Lexington Marathon Oil | ||||||
Day 1, September 19, 1984|}
Day 2, September 20, 1984|}
Day 3, September 21, 1984|}
Day 4, September 22, 1984|}
Day 5, September 23, 1984|}
| width=15 | width=220 | Team | width=20 | Pld | width=30 | Pts | width=20 | W | width=20 | L | width=20 | PF | width=20 | PA | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Banco Roma | 4 | 7 | 3 | 1 | 351 | 356 | ||||||||
| 2. | Obras Sanitarias | 4 | 6 | 2 | 2 | 354 | 334 | ||||||||
| 3. | Sírio | 4 | 6 | 2 | 2 | 374 | 359 | ||||||||
| 4. | FC Barcelona | 4 | 6 | 2 | 2 | 377 | 385 | ||||||||
| 5. | Lexington Marathon Oil | 4 | 5 | 1 | 3 | 389 | 411 |