Quaderer is a German-language surname. It was first mentioned in 1397. 68 people in Liechtenstein had the surname Quaderer in 1990. Notable people with the surname include:
Johann Baptist Quaderer (1810–1875), Liechtenstein politician Rupert Quaderer (journalist) (1891–1975), Liechtenstein politician and journalist Alfred Quaderer (1920–1944), Liechtenstein collaborator with Nazi Germany executed by Switzerland Rupert Quaderer (born 1942), Liechtenstein historian Harry Quaderer (born 1959), Liechtenstein politician Alexander Quaderer (born 1971), Liechtenstein footballer Sascha Quaderer (born 1974), Liechtenstein politician
See also Quaderer's Camp, the former name of Barron, Wisconsin, United States
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