Swimming at the 1964 Summer Olympics – Men's 200 metre breaststroke
The men's 200 metre breaststroke event at the 1964 Summer Olympics took place between October 13 and October 15. This swimming event used the breaststroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of four lengths of the pool.Medalists
Results
Heats
Heat 1
| Rank | Athlete | Country | Time | Note |
| 1 | Ian O'Brien | | 2:31.4 | Q, |
| 2 | Tom Trethewey | | 2:33.4 | Q |
| 3 | Klaus Katzur | | 2:36.7 | Q |
| 4 | Farid Zablith Filho | | 2:45.2 | |
| 5 | Wieger Mensonides | | 2:47.4 | |
| 6 | Huỳnh Văn Hải | | 2:51.6 | |
Heat 2
| Rank | Athlete | Country | Time | Note |
| 1 | Egon Henninger | | 2:30.1 | Q, |
| 2 | Georgy Prokopenko | | 2:30.3 | Q |
| 3 | Ferenc Lenkei | | 2:38.6 | Q |
| 4 | Peter Tonkin | | 2:39.3 | |
| 5 | Hemmie Vriens | | 2:40.8 | |
| 6 | Amman Jalmaani | | 2:44.7 | |
| 7 | Elliot Chenaux | | 2:52.5 | |
Heat 3
| Rank | Athlete | Country | Time | Note |
| 1 | Wayne Anderson | | 2:31.5 | Q |
| 2 | Osamu Tsurumine | | 2:34.1 | Q |
| 3 | Rolando Landrito | | 2:41.9 | |
| 4 | Gian Corrado Gross | | 2:42.8 | |
| 5 | Jin Jang-rim | | 2:48.6 | |
Heat 4
| Rank | Athlete | Country | Time | Note |
| 1 | Kenjiro Matsumoto | | 2:33.8 | Q |
| 2 | Vladimir Kosinsky | | 2:35.6 | Q |
| 3 | Willi Messner | | 2:36.0 | Q |
| 4 | Neil Nicholson | | 2:36.6 | Q |
| 5 | Gershon Shefa | | 2:40.6 | |
| 6 | Cesare Caramelli | | 2:40.9 | |
| 7 | Miguel Angel Navarro | | 2:49.7 | |
Heat 5
| Rank | Athlete | Country | Time | Note |
| 1 | Chet Jastremski | | 2:30.5 | Q |
| 2 | Yoshiaki Shikishi | | 2:32.3 | Q |
| 3 | Aleksandr Tutakayev | | 2:36.9 | Q |
| 4 | John Oravainen | | 2:38.7 | Q |
| 5 | Nazario Padrón | | 2:40.5 | |
| 6 | Rudolf Brack | | 2:46.0 | |
| 7 | Cheah Tong Kim | | 2:46.2 | |
| 8 | Charles Fox | | 2:49.1 | |
Semifinals
Semifinal 2
Final
Key: WR = World record
