| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Ghislaine Mathilde Alfred Eugénie•Janssen (de Mot-) | |
| Used name | Ghislaine•Janssen | |
| Born | 12 August 1889 in Saint-Gilles, Région de Bruxelles-Capitale |  BEL |
| Died | 19 August 1975 (aged 86 years 7 days) in Dilbeek, Vlaams Brabant | BEL |
| Affiliations | Royal Léopold Club — Bruxelles (Brussels), Région de Bruxelles-Capitale | BEL |
| NOC | Belgium | BEL |
Ghislaine Janssen played only singles at the 1924 Paris Olympics. She lost in straight sets in the first round to Hungarian Ilona Váradi-Péter.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1924 Summer Olympics | Tennis | BEL |
Ghislaine Janssen | |||
| Doubles, Women (Olympic) | Marthe Dupont | |||||
| Singles, Women (Olympic) | =28 |
Name previously listed as Marie Janssen, but further research has determined that this is incorrect.
