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
See also
Doubleday myth about the creation of baseball by Abner Doubleday