The focus of this dissertation is whether or not (and the conditions under which) agents are culpable for their moral ignorance and actions they perform from it. In recent years, there has been a steady interest in this topic, due to its practical and theoretical import. We often find ourselves in the position of judging whether or not agents are culpable for actions they perform from moral ignorance. For example, we often hear of cases in which an agent has not only done something terrible, but also endorses his action as acceptable (thereby exhibiting moral ignorance). However, the background of these agents is sometimes such that we find ourselves wondering if the agent could have formed correct moral beliefs. If not, is he culpable for ...