 
| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Janusz Roman•Olech | 
| Used name | Janusz•Olech | 
| Born | 4 April 1965 in Warszawa (Warsaw), Mazowieckie (POL) | 
| Measurements | 179 cm / 75 kg | 
| Affiliations | Marymont Warszawa, Warszawa (POL) / Legia Warszawa, Warszawa (POL) | 
| NOC |  Poland | 
| Medals | OG | 
| Gold | 0 | 
| Silver | 1 | 
| Bronze | 0 | 
| Total | 1 | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Fencing |  POL | Janusz Olech | |||
| Sabre, Individual, Men (Olympic) | 2 | Silver | ||||
| Sabre, Team, Men (Olympic) | Poland | 5 | ||||
| 1992 Summer Olympics | Fencing |  POL | Janusz Olech | |||
| Sabre, Individual, Men (Olympic) | 12 | |||||
| Sabre, Team, Men (Olympic) | Poland | 6 | ||||
| 1996 Summer Olympics | Fencing |  POL | Janusz Olech | |||
| Sabre, Individual, Men (Olympic) | 22 | |||||
| Sabre, Team, Men (Olympic) | Poland | 4 |