Otto Hanisch
Otto Hanisch is the name of the following people:
- Otto Hanisch (politician) (1843 – after 1912), German businessman and politician, MdR
- Otto Hanisch , known as Otoman Zar-Adusht Ha'nish (1856? –1936), founder of the Mazdaznan
- Otto Hanisch (cameraman) (* 1927), German cameraman