A catheter connector for fluidly connecting a catheter to a receptacle, the catheter connector comprising two body portions, one body portion for attachment to the catheter and the other body portion for attachment to the receptacle, the connector providing a fluidly open passage from the catheter to the receptacle when the first body portion is coupled to the second body portion, each body portion automatically fluidly closing off the respective catheter and receptacle when disengaged from the other body portion.