Doubleday

Doubleday may refer to:


 * Doubleday (surname), including a list of people with the name

Publishing imprints

 * Doubleday (publisher), imprint of Knopf Doubleday, a subsidiary of Penguin Random House
 * Doubleday Canada, imprint of Penguin Random House Canada
 * Image, formerly Doubleday Religion, imprint of Crown Publishing Group, a subsidiary of Penguin Random House

Baseball

 * Doubleday Field, Cooperstown, New York, USA; baseball stadium
 * Doubleday Field, United States Military Academy, West Point, New York State, USA; a region of the academy; see Johnson Stadium at Doubleday Field
 * Auburn Doubledays, single-A baseball team, from Auburn, New York State, USA

Other uses

 * SS Abner Doubleday, Liberty ship built during World War II
 * Henry Doubleday Research Association, UK organic growing charity