| Akihiro Yamaguchi | |
| Fullname: | Akihiro Yamaguchi |
| Strokes: | Breaststroke |
| Club: | DC Shibushi |
| Birth Date: | 11 September 1994 |
| Birth Place: | Kagoshima Prefecture |
| Weight: | 67kg (148lb) |
is a retired[1] Japanese swimmer and former world record holder who specializes in the breaststroke.
At the 2011 World Junior Swimming Championships in Lima, Yamaguchi won a total of four medals: one gold and three silvers. His gold came in the 200-meter breaststroke with a time of 2:11.70.
On September 15, 2012, at the National Sports Festival of Japan, he set a new world record in the 200-meter breaststroke (long course) with a time of 2:07.01, bettering the previous record of 2:07.28.[2]
| Long course | |||||
|---|---|---|---|---|---|
| Event | Time | Meet | Date | Note(s) | |
| 50 m breaststroke | 27.69 | JOC Junior Olympic Cup (2012 Summer) | August 30, 2012 | ||
| 100 m breaststroke | 59.56 | Japan Inter-High School Championships | August 20, 2012 | ||
| 200 m breaststroke | 2:07.01 | National Sports Festival of Japan | September 15, 2012 | ||