| OCBC Aquatic Centre|
10 from 7 nations
| 7 June 2015|
The men's 100 metre breaststroke competition of the swimming event at the 2015 Southeast Asian Games was held on 7 June at the OCBC Aquatic Centre in Kallang, Singapore.
Swimming at the 2015 Southeast Asian Games – Men's 100 metre breaststroke Wikipedia
Prior to this competition, the existing Asian and Games records were as follows:
All times are Singapore Standard Time (UTC+08:00)Source: Heats results summary
The heats were held on 7 June.Source: Heat 1 results
Heat 1 was held on 7 June.Source: Heat 2 results
Heat 2 was held on 7 June.Source: Final Results
The final was held on 7 June.