List of The New York Times number-one books of 2015

The American daily newspaper The New York Times publishes multiple weekly lists ranking the best-selling books in the United States.

The lists are split in three genres—fiction, nonfiction and children's books.

The following list ranks the number-one best-selling fiction books, in the combined print and e-books category.

The following list ranks the number-one best-selling nonfiction books, in the combined print and e-books category.

[2] The most frequent weekly best sellers of the year were American Sniper and Killing Reagan.