Hermann is a common male given name of German origin. It is derived from the Old High German name "Hermann," which means "warrior" or "army man." The name has been popular in various cultures and has several variations, including Herman and Hermannus. In history, one notable figure named Hermann is Hermann von Helmholtz, a 19th-century German physician and physicist known for his contributions to the fields of thermodynamics and physiology. The name is also associated with the legendary figure Hermann the Cherusci, who is celebrated for defeating the Roman legions in the Battle of the Teutoburg Forest in 9 AD.