Niemann is a Low German surname. Notable people with the surname include: Albert Niemann (chemist) (1834–1861), German chemist. Albert Niemann (paediatrician) (1880–1921), German physician. Albert Niemann (tenor) (1831–1917), German opera singer. Ben Niemann (born 1995), American football player. Brausch Niemann (born 1939), South African racing driver. Carl Niemann (1908–1964), American biochemist. Edmund John Niemann (1813–1876), British artist. Gunda Niemann-Stirnemann (born 1966), German speed skater. Hans Moke Niemann (born 2003), American chess grandmaster.
https://en.wikipedia.org/wiki/Niemann