| Competition: | FIVB World Championship |
| Continent: | World |
| Gender: | Men |
| Year: | 1990 |
| Size: | 200px |
| Dates: | 18–28 October |
| Opened: | Fernando Collor de Mello |
| Teams: | 16 |
| Venues: | 3 |
| Cities: | 3 |
| Champions: | ITA |
| Title Number: | 1 |
| Last: | 1986 FIVB Volleyball Men's World Championship |
| Next: | 1994 FIVB Volleyball Men's World Championship |
The 1990 FIVB Men's World Championship was the twelfth edition of the tournament, organised by the world's governing body, the FIVB. It was held from 18 to 28 October 1990 in Brazil.
| Means of qualification | Date | Host | Vacancies | Qualified | |
|---|---|---|---|---|---|
| Host Country | 1 | ||||
| 1986 FIVB Volleyball Men's World Championship | 25 Sep – 5 Oct 1986 | 7 | |||
| 1989 Men's European Volleyball Championship | 23 Sep – 1 October 1989 | 1 | |||
| 1989 Men's NORCECA Volleyball Championship | 8–15 July 1989 | San Juan | 1 | ||
| 1989 Men's South American Volleyball Championship | 23–30 September 1989 |  Curitiba | 1 | ||
| 1989 Asian Men's Volleyball Championship | 15–24 September 1989 |  Seoul | 1 | ||
| 1989 Men's African Volleyball Championship | September 1989 | Abidjan | 1 | ||
| 1990 FIVB Volleyball Men's World B Championship | 12–22 April 1990 |  Japan | 3 | ||
| Total | 16 | ||||
| width=22% | Pool A and Final round | width=22% | Pool B, D and Final round | width=22% | Pool C and Final round | ||
|---|---|---|---|---|---|---|---|
| Rio de Janeiro, Brazil | Brasilia, Brazil | Curitiba, Brazil | |||||
| Maracanãzinho | Nilson Nelson Gymnasium | Ginásio Tarumã | |||||
| Capacity: 11,800 | Capacity: 24,286 | Capacity: 4,555 | |||||
| No Image | |||||||
See main article: 1990 FIVB Volleyball Men's World Championship squads.
Location: Rio de Janeiro
Location: Brasília
Location: Curitiba
Location: Brasília
Location: Brasília
Location: Rio de Janeiro
Location: Curitiba
| Rank | Team | |
|---|---|---|
| align=center | ||
| align=center | ||
| align=center | ||
| align=center | 4 | |
| align=center | 5 | |
| align=center | 6 | |
| align=center | 7 | |
| align=center | 8 | |
| align=center | 9 | |
| align=center | 10 | |
| align=center | 11 | |
| align=center | 12 | |
| align=center | 13 | |
| align=center | 14 | |
| align=center | 15 | |
| align=center | 16 | |