Hermann Haken (3 May 1828 – 16 July 1916) was a lawyer and politician, most notable as a high mayor of city of Stettin, Kingdom of Prussia (now Szczecin, Poland). During his 29-year term in office lasting from 1878 to 1907, he developed Stettin into a modern city and one of the most important industrial and port cities in the region of Baltic Sea.