Justus is a name of Latin origin, meaning "just" or "fair." It is often used as a given name for boys and can also be found as a surname. The name has historical significance, appearing in various cultures and contexts, including religious texts. In the New Testament of the Bible, Justus is mentioned as a companion of the Apostle Paul. He is noted for his role in the early Christian community. The name has been adopted in various forms across different languages and cultures, reflecting its enduring appeal and significance.