Background: Understanding the knowledge and conceptions of Saudi population regarding family planning methods is important for increasing the public awareness and maintaining the health of the women. Objectives: Evaluating the knowledge, attitude and practice (KAP) regarding the family planning methods in Kingdom of Saudi Arabia (KSA). Methods: A cross-sectional community questionnaire based study was conducted among 560 adult married subjects in Saudi Arabia, from March to July 2017. Results: The most of included subjects had college degree, less than 3 children and were employee. The majority of subjects had good knowledge regarding the meaning, types and uses of contraceptives which resulted in high attitude and good practice pattern as 65.4% of subjects had good KAP toward family planning. Conclusion: The use of contraceptive types was quietly high among the Saudi subjects and this could be due to that most of the subjects had high educational degree. Keywords: