Kummer is a German surname. Notable people with the surname include:
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Bernhard Kummer (1897–1962), German Germanist
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Clare Kummer (1873–1958), American composer, lyricist and playwright
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Clarence Kummer (1899–1930), American jockey
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Christopher Kummer (born 1975), German economist
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Corby Kummer (born 1957), American journalist
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Dirk Kummer (born 1966), German actor, director, and screenwriter
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Eberhard Kummer (1940–2019), Austrian concert singer, lawyer, and medieval music expert
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Eduard Kummer, also known as the following Ernst Kummer
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Eloise Kummer (1916–2008), American actress
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Ernst Kummer (1810–1893), German mathematician
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Kummer configuration, a mathematical structure discovered by Ernst
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Kummer surface, a related geometrical structure discovered by Ernst
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Ferdinand von Kummer (1816–1900), German general
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Frederic Arnold Kummer (1873–1943), American author, playwright, and screenwriter
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Friedrich August Kummer (1797–1879), German cellist and composer
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Karl Kummer (disambiguation), more than one person
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Kaspar Kummer (1795–1870), German flautist and composer
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Lilian Kummer (born 1975), Swiss skier
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Luise Kummer (born 1993), German biathlete
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Mario Kummer (born 1962), German cyclist
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Nicolas Kummer (1882–1954), Luxembourgish gymnast
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Paul Kummer (1834–1912), priest, taxonomist of Zerbst
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Patrizia Kummer (born 1987), Swiss snowboarder
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Samuel Kummer (1968–2024), German organist
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Siegfried Adolf Kummer (1899–1977), German mystic and Germanic revivalist
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Sigrud Kummer, (born ? ), German sprint canoeist
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Thomas Kummer (born 1963), American classicist and teacher
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Thomas John Kummer (1933–1969), American hair stylist known as Jay Sebring
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Tilo Kummer (born 1968), German politician
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Tom Kummer (born 1963), Swiss journalist
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Wolfgang Kummer (disambiguation), more than one person
See also
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Cummer (disambiguation)
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Kommer
