Schmetterer is a German surname. Notable people with the surname include:
- Lawrence Schmetterer (born 1956), Cardiovascular surgeon
- Bob Schmetterer (born 1943), American business executive and author
- Jack Schmetterer (1931–2021), Bankruptcy Judge and Yale J.D.
- Ben Schmetterer (1931–2021), Founder of Crawford Labs and Northwestern PH.D
- Leopold Schmetterer (1919–2004), Austrian mathematician
- Maximilian Schmetterer (* 1941), German painter and optician
- Carlos Schmetterer (1869–1910), Banana plantation laborer in Costa Rica
- Modest Schmetterer (1738–1784), German Benedictine monk and canonis
- Richard Schmetterer (born 1946), Audio Engineer, Designer and Manufacturer
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