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Look up Ellwanger in Wiktionary, the free dictionary.
Ellwanger is a surname. Notable people with the surname include:
- George Ellwanger (1816–1906), German-American horticulture scientist
- Joseph Ellwanger (born 1934), American Lutheran pastor, author, and civil rights activist
- Niels Ellwanger (born 1965), West German sprint canoer