Water polo at the 1991 World Aquatics Championships – Men's tournament

Groups formed

 * Group A


 * Group B


 * Group C


 * Group D

Group A

 * 5 January 1991


 * 6 January 1991


 * 7 January 1991

Group B

 * 5 January 1991


 * 6 January 1991


 * 7 January 1991

Group C

 * 5 January 1991


 * 6 January 1991


 * 7 January 1991

Group D

 * 5 January 1991


 * 6 January 1991


 * 7 January 1991

Group E
Preliminary round results apply.


 * 9 January 1991


 * 10 January 1991

Group F
Preliminary round results apply.


 * 9 January 1991


 * 10 January 1991

Group G
Preliminary round results apply.


 * 9 January 1991


 * 10 January 1991

Group H
Preliminary round results apply.


 * January 9, 1991


 * January 10, 1991

13th – 16th places (Group L)
Results of previous rounds apply.


 * 12 January 1991


 * 13 January 1991

9th – 12th places (Group K)
Results of previous rounds apply.


 * 12 September 1991


 * 13 September 1991

5th – 8th places (Group J)
Results of previous rounds apply.


 * 12 September 1991


 * 13 September 1991

Semi finals

 * 12 January 1991

Finals

 * 13 January 1991 – [[File:Med 3.png]] Bronze Medal Match


 * 13 January 1991 – [[File:Med 1.png]] Gold Medal Match