Kohlhase is a German surname. Notable people with the surname include:
Charles Kohlhase (born 1935), American aerospace engineer Chris Kohlhase (1967–2015), New Zealand softball player Eddie Kohlhase, New Zealand softball player Hans Kohlhase (c. 1500 – 1540), German historical figure Marilyn Kohlhase (born 1953) New Zealand curator and arts administrator Michael Kohlhase (born 1964), German computer scientist Sebastian Kohlhase (born 1942), Samoan cricketer Walther Kohlhase (1908–1993), German painter
See also Kohlhaase 13801 Kohlhase, main-belt asteroid