| Country: | Japan |
| Weight Class: | –60 kg |
| Worlds Rank: | 2 |
| Worlds Year: | 2009 |
| Worlds Year2: | 2011 |
| Worlds Weight2: | Men's 60 kg |
| Regionals Type: | AS |
| Regionals Rank: | 1 |
| Regionals Year: | 2008 |
| Olympics Rank: | 2 |
| Olympics Year: | 2012 |
| Olympics Weight: | Men's 60 kg |
| Updated: | 25 May 2023 |
is a Japanese judoka. He won a silver medal at the 2009 World Judo Championships and the 2011 World Championships and a bronze medal at the 2010 World Judo Championships.
Hiroka also won a silver medal at the 2012 Summer Olympics at London, in the men's under 60 kg extra-lightweight category.[1]