Ko Janssens
Olympic boxer
- Born
- 20 December 1889, Rotterdam
- Died
- 21 August 1970
- Citizenship
- Kingdom of the Netherlands
- Sport
- boxing
- Discipline
- lightweight
- Occupation
- boxer
Jacobus Cornelius "Ko" Janssens (20 December 1889, Rotterdam - 21 August 1970, Epe) was a Dutch boxer who competed in the 1920 Summer Olympics. In 1920 he was eliminated in the first round of the lightweight class after losing his fight to Frank Cassidy.
Competitions
| Competition | Year | Result |
|---|---|---|
| 1920 Summer Olympics | 1920 |
External links
Facts from Wikidata Q6424134 (CC0); quoted introduction from English Wikipedia (CC BY-SA 4.0). Data retrieved 2026-10-22.
Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.