The purpose of this study is to examine concepts of freedom and evil, and to clarify their relation in terms of Kant’s moral philosophy. In this study, I firstly examine Kant’s understanding of freedom and the problems that this understanding leads to. I also discuss how the concept of freedom can be reconciled with the concept of evil expressed in the form of “propensity to evil”. Additionally, I attempt to show the significance of the notion of evil for Kant’s moral theory. Evil is one of the most criticized concepts of Kant’s philosophy and it is considered as inconsistent with his earlier thoughts by his contemporaries. Kant claims that the “propensity to evil” is universal to all of human race, but it does not mean that human beings ar...