| Mookhoek | |
| Settlement Type: | Hamlet |
| Native Name Lang: | nl |
| Pushpin Map: | Netherlands South Holland#Netherlands |
| Pushpin Label Position: | right |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in the province of South Holland in the Netherlands##Location in the Netherlands |
| Subdivision Type: | Country |
| Subdivision Name: | Netherlands |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Holland |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Hoeksche Waard |
| Coordinates: | 51.7364°N 4.5125°W |
De Klem is a hamlet in the Dutch province of South Holland and is part of the municipality of Hoeksche Waard. De Klem lies 3 km from the town of Strijen.
De Klem is not a statistical entity,[1] and considered part of Strijen and Numansdorp. It has place name signs, and consists of about 30 houses.[2]