Maternal mortality and infant mortality are still highly accepted in many countries like lower- and middle-income countries which currently act as serious global health concern and which also indicate the improper use of utilization of maternal health care services, lack of proper maternal knowledge. The United Nations also gave more concern on maternal as well as newborn health on SDG-3 (Good Health and Well-being) and MDG-5 (Improve maternal health). The degree of proper utilization of maternal health care services depends on different determining factors and presence of maternal knowledge also act as an important contributing factor which help to understand the importance of MHC services for both mother and newborn baby, help to reduce the complications during pregnancy as well as during the delivery and it helps to go for healthy newborn. This study examined the role of maternal knowledge on the utilization of maternal health care services (antenatal phase, delivery phase, and postnatal phase) among the Muslim women of Maldah district of West Bengal. The entire study has been done with the help of primary survey among the 916 Muslim women aged 15–49 years old and who and at least one live birth within the 5 years old. The bivariate analysis (Phi-coefficient) and multivariate analysis (binary logistic regression) has been used to proper depiction of the result. The result shows that there is significant association between the level of maternal knowledge and the degree of utilization of maternal health care services among the women.