Cornelius Jansen
| Cornelius Jansen | |
|---|---|
| Bishop of Ypres | |
| Painting of Cornelius Jansen. | |
| Church | Catholic Church | 
| Diocese | Diocese of Ypres | 
| Installed | 1635 | 
| Term ended | 1638 | 
| Predecessor | Georges Chamberlain | 
| Successor | Josse Bouckaert | 
| Personal details | |
| Born | 28 October 1585 | 
| Died | 6 May 1638 Ypres, Spanish Netherlands | 
| Education | University of Leuven | 
| Signature | |
Cornelius Jansen (/ˈdʒænsən/; Dutch: [ˈjɑnsə(n)]; Latinized name Cornelius Jansenius; also Corneille Jansen; 28 October 1585 – 6 May 1638) was the Dutch Catholic bishop of Ypres in Flanders and the father of a theological movement known as Jansenism.