Ryohei Haga
| full name | Ryohei Haga | |
| nationality | Japan (JPN) | |
| born | September 1988 | in unknown |
| Navigation | Championships | World Cup |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
 Olympic Games | 0 | 0 | 0 | 0 | 0 | 1 |
| WCh Single Distances | 0 | 0 | 0 | 0 | 0 | 5 |
| WCh Sprint | 0 | 0 | 0 | 0 | 1 | 7 |
Championships - Results
| year | position | championship | place | |
| 2010 | 29 | Olympic Games 1000 meters | Vancouver | CAN |
| 10 | WCh Sprint | Obihiro | JPN | |
| 2011 | 17 | WCh Single Distances 2x500 meters | Inzell | GER |
| 20 | WCh Single Distances 1000 meters | Inzell | GER | |
| 15 | WCh Sprint | Heerenveen | NED | |
| 2012 | 23 | WCh Sprint | Calgary | CAN |
| 2013 | 20 | WCh Single Distances 2x500 meters | Sochi | RUS |
| 20 | WCh Sprint | Salt Lake City | USA | |
| 2015 | 15 | WCh Single Distances 2x500 meters | Heerenveen | NED |
| WDR4 | WCh Sprint | Astana | KAZ | |
| 2016 | 13 | WCh Single Distances 2x500 meters | Kolomna | RUS |
| 29 | WCh Sprint | Seoul | KOR | |
| 2017 | 12 | WCh Sprint | Calgary | CAN |
