Vincentius is a name that can refer to several historical and religious figures, most notably Saint Vincent of Saragossa, a Christian martyr from the 3rd century. He is celebrated for his steadfast faith and is often depicted in art with symbols of his martyrdom, such as a gridiron or a raven. His feast day is observed on January 22. Another notable figure is Vincentius of Lérins, a theologian from the 5th century known for his work on the development of Christian doctrine. He emphasized the importance of tradition in the Church and is remembered for his writings that contributed to early Christian thought.