Introduction: Family planning (FP) is a method to prevent unwanted pregnancies among couples. More than 200 million women in the developing nation do not want pregnancy but do not practically use modern methods of FP. Women’s knowledge, attitude, and practice (KAP) play a crucial role in using FP’s is a form of practice. This study explored the determinants of KAP towards FP among women in Raub, Pahang, Malaysia. Methods: A cross-sectional study was conducted among 249 women with a convenience sampling method. Data was collected using a pilot-tested self-administered questionnaire. Results: Age, ethnicity, religion, marital status, employment status, annual income, education level, and the number of children were significantly correlated (p = 0.001 – 0.019) with the KAP of FP. Conclusion: The study demonstrated a need for health education campaigns and utilise every interaction of women with healthcare providers to disseminate information on FP and dispel misconceptions. Interventional studies are recommended for further exploration.