Janzen is a surname that can refer to various individuals and families, often of German or Dutch origin. It is commonly found in regions with significant German-speaking populations, such as parts of the United States and Canada. The name may also be associated with specific cultural or historical contexts, depending on the family's background. In addition to being a surname, Janzen can also refer to notable figures in various fields, including academia, sports, and the arts. For example, Janzen may be linked to individuals who have made contributions to science or literature, showcasing the diverse impact of people with this name.