Czechoslovakia competed at the 1973 World Aquatics Championships in Belgrade from August 31 to September 9.
| Czechoslovakia at the 1973 World Aquatics Championships | |
|---|---|
 | |
| FINA code | TCH |
| in Belgrade, Yugoslavia | |
| Medals Ranked =11th |
|
| World Aquatics Championships appearances | |
Medalists
edit| Medal | Name | Sport | Event | Date |
|---|---|---|---|---|
 Silver |
Milena Duchková | Diving | Women's springboard | September 3 |
Diving
edit| Athlete | Event | Preliminaries | Final | ||
|---|---|---|---|---|---|
| Points | Rank | Points | Rank | ||
| Milena Duchková | Women's springboard | 384.03 | 9 | did not advance | |
| Women's platform | 352.20 | 5 Q | 387.18 |
| |
| Milena Tomacková | Women's springboard | 307.80 | 20 | did not advance | |
| Women's platform | 296.52 | 16 | did not advance | ||
Swimming
edit| Athlete | Event | Heat | Final | ||
|---|---|---|---|---|---|
| Time | Rank | Time | Rank | ||
| Mirek Hrouda | Men's 100 m freestyle | 54.24 | 16 | did not advance | |
| Olga Chlupova | Women's 100 m freestyle | 1:02.90 | 22 | did not advance | |
| Women's 100 m breaststroke | 1:20.04 | 15 | did not advance | ||
| Women's 200 m breaststroke | 2:50.94 | 15 | did not advance | ||
| Women's 200 m individual medley | 2:33.09 | 18 | did not advance | ||
| Věra Faitlová | Women's 100 m butterfly | 1:07.93 | 15 | did not advance | |
| Women's 200 m butterfly | 2:29.72 | 16 | did not advance | ||