Ko Cornelissen
6 x Dutch boxing champion (1904–1954)
- Born
- 29 January 1904
- Died
- 10 November 1954
- Citizenship
- Kingdom of the Netherlands
- Sport
- boxing
- Discipline
- welterweight
- Occupation
- boxer
Jacobus Gerardus “Ko” Cornelissen (29 January 1904, Amsterdam - 10 December 1954, Amsterdam) was a Dutch boxer who was a six-time national champion. He won his first title at the age of 16.
Cornelissen competed in the 1924 Summer Olympics in Paris. After winning the first round by decision against Alf Johan Pedersen from Norway, he lost in the second round against Patrick “Paddy” Dwyer, alias Rocky, from Ireland.
Cornelissen was a member of D.O.S Amsterdam for 25 years, and won several National titles:
After his boxing career he acted for various years as a boxing referee. Shortly after the Second World War he contracted typhus and subsequently emphysema from which he died in 1954.
Competitions
| Competition | Year | Result |
|---|---|---|
| 1924 Summer Olympics | 1924 |
External links
Facts from Wikidata Q1932734 (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.