Martin Luther is one of the most studied theologians in the history of the Christian church, so it is difficult to find areas that have been neglected when it comes to this great reformer. However, Luther’s work with children and youth gets short shrift when compared to many other achievements. Martin Luther as a Youth Worker considers the reformer from this little-studied aspect of his work. Luther’s practical care for children and youth, his educational reforms, his work in faith formation, and his view of human reason are considered. Last, the question is asked what it means to be a reformer with children and youth today. How can we live into Luther’s reforming spirit in a way that addresses the needs of our current context?