Background:stroke is a neurological defect that could result in death thus adequate knowledgeof stroke is a must for correct treatment andprevention of stroke consequences and disability. Objectives:assessing theknowledge, attitude and practice(KAP) of Saudi population toward stroke risk factors and warning symptomsin Kingdom of Saudi Arabia (KSA).        Methods:2021 adult Saudi subjects were enrolled in the study who were chosen from different parts of KSA. This cross sectional study was conducted using a structuredquestionnaire designed to examine KAP of participants about stroke risk factors. Results: most of subjects were 41-50 years old, females, employed and had a college degree.About 9% of the participated subjects were suffering   from stroke while, 28% had relatives who suffered from stroke. The majority of subjects had insufficient knowledge regarding the risk factors and warning symptoms of stroke thus, resulting in inadequate KAP in 63.8% of the respondents while only 36.2% had good KAP. The good KAP was significantly associated with younger age participants and highly educated. Conclusion: The level of KAP toward stroke risk factors and warning symptoms wasinadequate among the majority of participants. Good KAP was associated with high educational degree and young age.