Hagemeister is a German surname. Notable people with the surname include:
Charles C. Hagemeister (1946–2021), United States Army officer and Medal of Honor recipient Henry F. Hagemeister (1855–1915), American politician Karl Hagemeister (1848–1933), German landscape painter Ludwig von Hagemeister (1780–1833), Imperial Russian explorer Michael Hagemeister (born 1951), German scholar, historian and Slavist
See also Hagemeister Island, Alaska, United States Hagemeister Park, Wisconsin, United States