| Roles | Competed in Olympic Games • Referee | 
|---|---|
| Sex | Male | 
| Full name | Jakob Marcus Jensen•Lyng | 
| Used name | Jakob•Lyng | 
| Born | 1 April 1907 in Søndbjerg, Struer, Midtjylland (DEN) | 
| Died | 27 May 1995 in Viborg, Midtjylland (DEN) | 
| Affiliations | Officerernes Fægteklub, København (DEN) | 
| NOC |  Denmark | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1948 Summer Olympics | Fencing |  DEN | Jakob Lyng | |||
| Épée, Team, Men (Olympic) | Denmark | 4 | ||||
| 1952 Summer Olympics | Fencing |  DEN | Jakob Lyng | |||
| Épée, Team, Men (Olympic) | Denmark | =5 | ||||
| Sabre, Team, Men (Olympic) | Denmark | 3 p2 r2/4 | 
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Fencing |  DEN | Jakob Lyng | ||||
| Foil, Individual, Men (Olympic) | Final Standings | Official | |||||
| Épée, Individual, Men (Olympic) | Final Standings | Official | |||||
| Sabre, Individual, Men (Olympic) | Final Standings | Official | |||||
| Foil, Team, Men (Olympic) | Final Standings | Official | |||||
| Épée, Team, Men (Olympic) | Final Standings | Official | |||||
| Sabre, Team, Men (Olympic) | Final Standings | Official | |||||
| Foil, Individual, Women (Olympic) | Final Standings | Official |