Background: The purpose of this study is to conduct an assessment of knowledge, attitude and practice of car seatbelt among driving women in Saudi Arabia since women now are allowed to obtain a driving license in Saudi Arabia. The lack of this kind of study which assesses diving women in Saudi we were motivated to conduct this study. We want to know the KAP of female drivers in Saudi Arabia and also the association between the sociodemographic and the KAP regarding car seatbelt. General objective: To assess Saudi women drivers knowledge, attitude and practice of using seatbelt while driving. Methods: A cross sectional study targeting all driving women who will respond self-administered online questionnaire, will be distributed through social media in Saudi Arabia from 12, Jan to 20, Jan ,2019. Conclusion: The perception of participants about using safety seat belt was 97%, the percentage of using seat belt during driving in city 65% while 81% using seat belt during driving in highway They represent 58% and the second most common restriction of movement represent 29.8most common barrier among driver women is forgetting using seat belt.