Otto Haupt
Otto Haupt is the name of the following people:
- Otto Haupt (school director) (1824–1899), German school director, head of the Empress Auguste Viktoria School in Stettin
- Otto Haupt (soccer player) (1884– ??), German soccer player
- Otto Haupt (mathematician) (1887–1988), German mathematician
- Otto Haupt (architect) (1891–1966), German architect