| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Jacques Marcel•Collignon |
| Used name | Jacques•Collignon |
| Born | 29 April 1936 in Metz, Moselle (FRA) |
| Died | 29 January 2026 (aged 89 years 9 months) in Amboise, Indre-et-Loire (FRA) |
| Affiliations | TOS Natation, Troyes (FRA) |
| NOC |  France |
In the 1950s Jacques Collignon represented the Troyes Omni-Sports Natation swimming club, becoming a French champion in 1957. From 1954 to 1957 Collignon also represented the French national team on 10 occasions, winning silver in the 1,500 metres freestyle at the 1955 Mediterranean Games in Barcelona. One year later he competed at the Melbourne Olympics, swimming in the 400 metres freestyle, 1,500 metres freestyle, and 4 x 200 metres freestyle relay, finishing ninth in the latter.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1956 Summer Olympics | Swimming (Aquatics) | FRA |
Jacques Collignon | |||
| 400 metres Freestyle, Men (Olympic) | 25 | |||||
| 1,500 metres Freestyle, Men (Olympic) | 12 | |||||
| 4 × 200 metres Freestyle Relay, Men (Olympic) | France | 9 |
