| Birth Date: | 1923 3, df=y |
| Birth Place: | Amsterdam, Netherlands |
| Death Place: | Zaanstad, Netherlands |
| Sport: | Artistic gymnastics |
| Club: | Hercules, Amsterdam |
| Show-Medals: | yes |
Johanna Cox-Ladru (8 March 1923 – 13 November 2014) was a Dutch gymnast. She competed at the 1952 Olympics in all artistic gymnastics events with the best result of 6th place in the team portable apparatus. Cox-Ladru is deceased.[1]