Toshiyuki Kuroiwa
| full name | Toshiyuki Kuroiwa | |
| nationality | Japan (JPN) | |
| local spelling | 黒岩 敏幸 | |
| born | February 1969 | in Tsumagoi, Gunma (Japan) |
| Navigation | Championships | World Cup |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
 Olympic Games | 0 | 1 | 0 | 0 | 1 | 4 |
| WCh Sprint | 0 | 0 | 2 | 0 | 3 | 6 |
Championships - Results
| year | position | championship | place | |
| 1990 | 9 | WCh Sprint | Tromsø | NOR |
| 1991 | 3  | WCh Sprint | Inzell | GER |
| 1992 | 2  | Olympic Games 500 meters | Albertville | FRA |
| 9 | Olympic Games 1000 meters | Albertville | FRA | |
| 3 | WCh Sprint | Oslo | NOR | |
| 1994 | 11 | Olympic Games 1000 meters | Lillehammer | NOR |
| 7 | WCh Sprint | Calgary | CAN | |
| 1998 | 16 | Olympic Games 2x500 meters | Nagano | JPN |
| 13 | WCh Sprint | Berlin | GER | |
| 1999 | 9 | WCh Sprint | Calgary | CAN |
