title: John Schaeffer
text: # John Schaeffer
  
  John Schaeffer may refer to:
  
  * John Schaeffer (art collector) (1941–2020), Australian art collector and businessman
  * John Schaeffer (environmentalist) (born 1949), American solar power advocate
  * John Schaeffer (trainer) (born 1951), American fitness trainer and author
  * John Nevin Schaeffer (1882–1942), American classicist
  