Conrad Wilhelm Hase (2 October 1818 – 28 March 1902) was a German architect.
Hase was born in Einbeck.
He was a professor at the Polytechnical School of Hannover from 1849 to 1895.Hase is the founder of the Hanover school of architecture (Hannoversche Architekturschule), a historicist school that developed a refined regional style of Neogothic in Lower Saxony.