Swimming at the 1973 World Aquatics Championships – Men's 4 × 100 metre medley relay
The men's 4 × 100 metre medley relay competition of the swimming events at the 1973 World Aquatics Championships took place on September 9.
Records
Prior to the competition, the existing world and championship records were as follows.The following records were established during the competition:
| Date | Event | Nation | Athletes | Time | Record |
| 9 September | Heat | 3:54.914 | CR | ||
| 9 September | Final | Mike Stamm John Hencken Joe Bottom Jim Montgomery | 3:49.491 | CR |
Results
Heats
15 teams participated in 2 heats.| Rank | Heat | Lane | Nation | Athletes | Time | Notes |
| 1 | 1 | - | 3:54.914 | Q, CR | ||
| 2 | 1 | - | 3:57.133 | Q | ||
| 3 | 1 | - | 3:58.034 | Q | ||
| 4 | 2 | - | 4:00.011 | Q | ||
| 5 | 2 | - | 4:00.351 | Q | ||
| 6 | 2 | - | 4:00.855 | Q | ||
| 7 | 1 | - | 4:01.119 | Q | ||
| 8 | 2 | - | 4:02.970 | Q | ||
| 9 | 2 | - | 4:04.098 | |||
| 10 | 1 | - | 4:04.358 | |||
| 11 | 2 | - | 4:04.814 | |||
| 12 | 2 | - | 4:09.074 | |||
| 13 | 1 | - | 4:09.799 | |||
| 14 | 1 | - | 4:14.632 | |||
| 15 | 1 | - | - | DNS / DQ |
Final
The results of the final are below.| Rank | Lane | Nation | Athletes | Time | Notes |
| 4 | Mike Stamm John Hencken Joe Bottom Jim Montgomery | 3:49.491 | CR | ||
| 5 | Roland Matthes Jürgen Glas Hartmut Flöckner Roger Pyttel | 3:53.246 | |||
| 2 | Ian MacKenzie Peter Hrdlitschka Bruce Robertson Brian Phillips | 3:56.372 | |||
| 3 | Klaus Steinbach Walter Kusch Folkert Meeuw Peter Nocke | 3:56.389 | |||
| 6 | Igor Grivennikov Mikhail Khryukin Sergey Zakharov Vladimir Bure | 3:58.098 | |||
| 8 | Brad Cooper Michael Creswick Ross Seymour Michael Wenden | 3:58.590 | |||
| 7 | Colin Cunningham David Wilkie Martin Edwards Brian Brinkley | 3:59.048 | |||
| 1 | László Cseh Sándor Szabó Zoltán Verrasztó István Szentirmay | 4:01.642 |