Swimming at the 1973 World Aquatics Championships – Men's 200 metre butterfly
The men's 200 metre butterfly competition of the swimming events at the 1973 World Aquatics Championships took place on September 6.Records
Prior to the competition, the existing world and championship records were as follows.
The following records were established during the competition:
| Date | Event | Name | Nationality | Time | Record |
| 6 September | Heat 1 | Brian Brinkley | | 2:05.35 | CR |
| 6 September | Heat 2 | Robin Backhaus | | 2:04.93 | CR |
| 6 September | Heat 4 | Steve Gregg | | 2:04.59 | CR |
| 6 September | Final | Robin Backhaus | | 2:03.32 | CR |
Results
Heats
27 swimmers participated in 4 heats.Final
The results of the final are below.
| Rank | Lane | Name | Nationality | Time | Notes |
| - | Robin Backhaus | | 2:03.32 | CR |
| - | Steve Gregg | | 2:03.58 | |
| - | Hartmut Flöckner | | 2:03.84 | |
| - | Brian Brinkley | | 2:03.94 | NR |
| - | Jorge Delgado | | 2:04.03 | |
| - | András Hargitay | | 2:04.10 | |
| - | Folkert Meeuw | | 2:05.33 | |
| - | Jorge Jaramillo | | 2:10.36 | |
