| Hiromasa Fujimori | |
| Strokes: | Individual medley |
| Birth Date: | 1991 8, mf=yes[1] |
| Height: | 1.76 m |
| Weight: | 72 kg |
is a Japanese competitive swimmer who specializes in individual medley.
He qualified for the 2016 Summer Olympics in Rio de Janeiro in the 200 meter individual medley after clearing the qualification time by 0.05 seconds.[2] He finished 4th in the final, 0.16 seconds behind the bronze medalist.
Fujimori had his results at the 2018 World Short Course Championships from 14 December 2018 disqualified and served a 24 month suspension by FINA from January 2019 through December 2020 for an anti-doping rule violation on 14 December 2018 at the Championships.[3]