John Schaeffer
John Schaeffer (born 1951) is an American fitness trainer and author.
John Schaeffer may also refer to:
- John Schaeffer (art collector) (1941–2020), Australian art collector and businessman
- John Schaeffer (environmentalist) (born 1949), American solar power advocate
- John Nevin Schaeffer (1882–1942), American classicist
This disambiguation page lists articles about people with the same name.
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