| Keje Molenaar | |
| Birth Date: | 29 September 1958 |
| Birth Place: | Volendam, Netherlands |
| Position: | defender |
| Youthclubs1: | FC Volendam |
| Years1: | 1977–1980 |
| Years2: | 1980–1984 |
| Years3: | 1984–1985 |
| Years4: | 1985–1988 |
| Years5: | 1988–1990 |
| Clubs5: | SVV |
| Caps1: | 89 |
| Caps2: | 81 |
| Caps3: | 32 |
| Caps4: | 100 |
| Caps5: | 23 |
| Goals1: | 22 |
| Goals2: | 16 |
| Goals3: | 2 |
| Goals4: | 11 |
| Goals5: | 1 |
| Nationalyears1: | 1980–1981 |
| Nationalteam1: | Netherlands |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
Cornelis Ignatius Maria "Keje" Molenaar (born 29 September 1958) is a Dutch former professional footballer who played as a defender. Molenaar made his professional debut at FC Volendam and also played for Ajax Amsterdam, Feyenoord Rotterdam and SVV.
His son in law is Matthijs de Ligt[1]