| Host City | Budapest |
|---|---|
| Country | |
| Held | 31 August – 6 September 1958 |
| Competitors | 410 |
| Countries | 24 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| 3 m Springboard | Men | — | Medal | 21 | 13 |
| 10 m Platform | Men | — | Medal | 20 | 11 |
| 3 m Springboard | Women | — | Medal | 14 | 8 |
| 10 m Platform | Women | — | Medal | 14 | 8 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| 100 m Freestyle | Men | — | Medal | 27 | 19 |
| 400 m Freestyle | Men | — | Medal | 20 | 14 |
| 1,500 m Freestyle | Men | — | Medal | 18 | 12 |
| 4 x 200 m Freestyle Relay | Men | — | Medal | 49 | 11 |
| 100 m Backstroke | Men | — | Medal | 18 | 13 |
| 200 m Breaststroke | Men | — | Medal | 26 | 17 |
| 200 m Butterfly | Men | — | Medal | 22 | 15 |
| 4 x 100 m Medley Relay | Men | — | Medal | 45 | 11 |
| 100 m Freestyle | Women | — | Medal | 19 | 11 |
| 400 m Freestyle | Women | — | Medal | 17 | 10 |
| 4 x 100 m Freestyle Relay | Women | — | Medal | 42 | 9 |
| 100 m Backstroke | Women | — | Medal | 19 | 14 |
| 200 m Breaststroke | Women | — | Medal | 16 | 12 |
| 100 m Butterfly | Women | — | Medal | 17 | 10 |
| 4 x 100 m Medley Relay | Women | — | Medal | 40 | 9 |
| Event | Gender | Held | Status | Competitors | Countries |
|---|---|---|---|---|---|
| Water Polo | Men | 31 August – 6 September 1958 | Medal | 133 | 14 |
| Pos | Country | 🥇 Gold | 🥈 Silver | 🥉 Bronze | Total | |
|---|---|---|---|---|---|---|
| 1 | Soviet Union | 5 | 6 | 5 | 16 | |
| 2 | Great Britain | 5 | 4 | 4 | 13 | |
| 3 | Netherlands | 5 | 3 | 0 | 8 | |
| 4 | Hungary | 2 | 2 | 3 | 7 | |
| 5 | Italy | 1 | 2 | 2 | 5 | |
| 6 | Sweden | 1 | 0 | 2 | 3 | |
| 7 | France | 1 | 0 | 0 | 1 | |
| 8 | Germany | 0 | 1 | 2 | 3 | |
| 9 | Czechoslovakia | 0 | 1 | 0 | 1 | |
| = | Yugoslavia | 0 | 1 | 0 | 1 | |
| 11 | Czech Republic | 0 | 0 | 1 | 1 | |
| = | East Germany | 0 | 0 | 1 | 1 | |