Andrew Sean Greer (born November 21, 1970) is an American novelist and short story writer.

He graduated from Georgetown Day School, and Brown University, where he studied with Robert Coover and Edmund White, and served as commencement speaker.

His third book, The Confessions of Max Tivoli, was released in 2004; a New Yorker piece by John Updike called it "enchanting, in the perfumed, dandified style of disenchantment brought to grandeur by Proust and Nabokov.

"[15] Mitch Albom chose The Confessions of Max Tivoli for the Today Show Book Club, and it soon became a bestseller.

[17] The New York Times said of it: "Mr. Greer seamlessly choreographs an intricate narrative that speaks authentically to the longings and desires of his characters.