Ellwanger is a surname. Notable people with the surname include:
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George Ellwanger (1816–1906), German-American horticulture scientist
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Joseph Ellwanger
Joseph W. Ellwanger Jr. (born February 18, 1934) is a Lutheran pastor, author, and civil rights activist. He was a key figure in the Civil Rights Movement in Birmingham, Alabama, and the only white religious leader included in strategy meeting ...
(born 1934), American Lutheran pastor, author, and civil rights activist
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Niels Ellwanger (born 1965), West German sprint canoer
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