Big may refer to:

• Big Two, card game
• Big three, disambiguation
• Big Four, disambiguation
• Big five, disambiguation
• Big Six, disambiguation
• Big 8, disambiguation
• Big Ten Conference, the United States' oldest college athletic conference
• Big 12 Conference, a college athletic conference of twelve schools located in the central United States

Big may also refer to: The Big Two, when used in the context of American comic books, refers to the two dominant American comic book publishers, Marvel Comics and DC Comics. ... The big three is a term used to refer to three large powers or companies. ... The phrase Big Four has multiple meanings: Banks Name traditionally given to the four biggest banks in the United Kingdom as a whole. ... Big five can mean: Big Five (Hawaii), an oligarchy of five corporations that ruled over Hawaii Big5, a character encoding method of unknown origin for Traditional Chinese characters Big Five can also refer to the five biggest commercial banks in Canada: Royal Bank of Canada, CIBC, Toronto-Dominion Bank, Bank... Big Six can refer to: The Big Six banks of Canada. ... The Big 8 were, in the 1970s, a group of Americas international accountancy firms that handled the vast majority of audits for publicly traded corporations. ... Big Ten Conference The Big Ten Conference is the United States oldest college athletic conference. ... The Big 12 Conference is a college athletic conference of twelve schools located in the central United States. ...

• Big, 1988 comedy film about a teenaged boy who is aged to adulthood by a magical fortune telling machine
• Big Brothers Big Sisters of America, a non-profit organization dedicated to organizing mentorships between adults and children
• James Worthy, a college and professional basketball player from Gastonia, North Carolina who goes by the name "Big Game James"
• Big the Cat, a fictional character from the Sonic the Hedgehog game universe
• Big, an album by Macy Gray to be released in 2006