Abstract: This study focused on the knowlegeability of girl street children living in Harare in respect of reproductive health. These children are vulnerable considering that they do not have protection from their parents or guardians and most of the time they alone with peers of same ages. In most times they have limited means to get food, clothes and other necessary amenities. This places them at risk of abuse from men who might exploit their vulnerability. It is then imperative that if these children are equipped with relevant reproductive knowledge so that they are in a position to make informed decisions when confronted with challenges that require knowledge of reproductive health so as to avoid unwanted pregnancies, sexually transmitted diseases and HIV.