The Noonday Demon: An Atlas of Depression is a memoir written by Andrew Solomon and first published under the Scribner imprint of New York's Simon & Schuster publishing house in 2001.

[1] The Noonday Demon examines the personal, cultural, and scientific aspects of depression through Solomon's published interviews with depression sufferers, doctors, research scientists, politicians, and pharmaceutical researchers.

The Noonday Demon received positive critical response, being described by The New York Times as "a book of remarkable scope, depth, breadth, and vitality."

[4] A new edition was published by Charles Scribner's Sons in 2015 that added a chapter about new treatments for depression.

[5] The update was mentioned during an NPR Fresh Air interview of Solomon and a New York Times article he authored.