- Source: Catrien Eijken
- Catrien Eijken
- Netherlands at the 1984 Summer Olympics
- Catharina
- Index of Singapore-related articles
- Synchronized swimming at the 1984 Summer Olympics – Women's duet
- 1981 European Aquatics Championships
- Synchronized swimming at the 1984 Summer Olympics – Women's solo
- 1983 European Aquatics Championships
- List of synchronised swimmers
- List of European Aquatics Championships medalists in artistic swimming
Catrien Eijken (born 29 June 1961) is a former synchronized swimmer from The Netherlands. She competed in both the women's solo and the women's duet competitions at the 1984 Summer Olympics.