Fastest swim long course 200 metres backstroke (male)
- Who
- Aaron Peirsol
- What
- 1/51.92 minute(s):second(s)
- Where
- Italy (Rome,)
- When
- 31 July 2009
The fastest long course 200 m backstroke by a male swimmer is 1 minute 51.92 seconds, by Aaron Peirsol (USA) at the FINA World Championships in Rome, Italy, on 31 July 2009. He beat his own world record – set earlier than month at the US Swimming National Championships – by more than a second.