||This article relies largely or entirely upon a single source. (February 2010)
Otto Pius Hippius (born May 17, 1826, Saint Petersburg, Russia — died September 10, 1883, Saint Petersburg, Russia) was a Baltic German architect, particularly noted for several buildings in present-day Estonia.
These include Sangaste manor house in southern Estonia, built for Count Friedrich Berg between 1879 and 1883, Muuga manor house, built for painter Carl Timoleon von Neff between 1866 and 1873, Charles' Church in Tallinn, constructed between 1862 and 1870 and Alexander Church in Narva, constructed between 1881 and 1884.
- ^ Estonia architectural heritage webpage