Kuhnert is a German surname. Notable people with the surname include:
Alfred Kuhnert (1898–1977), German Wehrmacht general Hans Kuhnert (1901–1974), German actor, art director and production designer Silvio Kuhnert (born 1969), German singer Wilhelm Kuhnert (1865–1926), German painter, writer and illustrator
See also Kühnert Kuhnert Arboretum, an arboretum in Aberdeen, South Dakota