The New York Times Nonfiction Best Sellers of 1975
# The New York Times Nonfiction Best Sellers of 1975

This is a list of adult nonfiction books that topped The New York Times Nonfiction Best Seller list in 1975.

| Date | Book | Author |
| - | - | - |
| January 5 | All Things Bright and Beautiful | James Herriot |
| January 12 | All Things Bright and Beautiful | James Herriot |
| January 19 | All Things Bright and Beautiful | James Herriot |
| January 26 | All Things Bright and Beautiful | James Herriot |
| February 2 | The Bermuda Triangle | Charles Berlitz |
| February 9 | The Bermuda Triangle | Charles Berlitz |
| February 16 | The Palace Guard | Dan Rather and Gary Paul Gates |
| February 23 | The Bermuda Triangle | Charles Berlitz |
| March 2 | The Bermuda Triangle | Charles Berlitz |
| March 9 | The Bermuda Triangle | Charles Berlitz |
| March 16 | The Bermuda Triangle | Charles Berlitz |
| March 23 | The Bermuda Triangle | Charles Berlitz |
| March 30 | The Bermuda Triangle | Charles Berlitz |
| April 6 | The Bermuda Triangle | Charles Berlitz |
| April 13 | The Bermuda Triangle | Charles Berlitz |
| April 20 | The Bermuda Triangle | Charles Berlitz |
| April 27 | The Bermuda Triangle | Charles Berlitz |
| May 4 | The Bermuda Triangle | Charles Berlitz |
| May 11 | The Bermuda Triangle | Charles Berlitz |
| May 18 | The Bermuda Triangle | Charles Berlitz |
| May 25 | The Bermuda Triangle | Charles Berlitz |
| June 1 | The Bermuda Triangle | Charles Berlitz |
| June 8 | The Bermuda Triangle | Charles Berlitz |
| June 15 | Breach of Faith | Theodore H. White |
| June 22 | Breach of Faith | Theodore H. White |
| June 29 | Breach of Faith | Theodore H. White |
| July 6 | Breach of Faith | Theodore H. White |
| July 13 | Breach of Faith | Theodore H. White |
| July 20 | Breach of Faith | Theodore H. White |
| July 27 | Breach of Faith | Theodore H. White |
| August 3 | Breach of Faith | Theodore H. White |
| August 10 | Breach of Faith | Theodore H. White |
| August 17 | Breach of Faith | Theodore H. White |
| August 24 | Breach of Faith | Theodore H. White |
| August 31 | Breach of Faith | Theodore H. White |
| September 7 | Sylvia Porter's Money Book | Sylvia Porter |
| September 14 | Sylvia Porter's Money Book | Sylvia Porter |
| September 21 | Sylvia Porter's Money Book | Sylvia Porter |
| September 28 | Sylvia Porter's Money Book | Sylvia Porter |
| October 5 | Sylvia Porter's Money Book | Sylvia Porter |
| October 12 | Sylvia Porter's Money Book | Sylvia Porter |
| October 19 | Sylvia Porter's Money Book | Sylvia Porter |
| October 26 | Sylvia Porter's Money Book | Sylvia Porter |
| November 2 | Sylvia Porter's Money Book | Sylvia Porter |
| November 9 | Sylvia Porter's Money Book | Sylvia Porter |
| November 16 | Sylvia Porter's Money Book | Sylvia Porter |
| November 23 | Power! | Michael Korda |
| November 30 | Bring on the Empty Horses | David Niven |
| December 7 | Bring on the Empty Horses | David Niven |
| December 14 | Sylvia Porter's Money Book | Sylvia Porter |
| December 21 | The Relaxation Response | Herbert Benson, M.D. |
| December 28 | Bring on the Empty Horses | David Niven |
