Big Five may refer to:
Animals
Big Five game, the large African wild animals said to be most difficult to hunt: lion, leopard, rhinoceros, elephant and Cape buffalo
Arts and entertainment
Big Five (Eurovision), the five main sponsoring countries of the Eurovision Song Contest: France, Germany, Italy, Spain and the UK
Big Five Academy Awards, the five main award categories
Big Five (orchestras), the traditional top five orchestras of the United States
Big Five (Yu-Gi-Oh!), a group of fictional characters in the Yu-Gi-Oh! universe
The "Big Five" largest UK ITV companies: History of ITV § The Big Four and Big Five
Big Five (publishers) in English-language book publishing: Hachette, Holtzbrinck Publishing Group/Macmillan, Penguin Random House, HarperCollins and Simon & Schuster
Toho's Big Five kaiju: Godzilla, Mothra, King Ghidorah, Rodan and Mechagodzilla
Big Five (album), a 1972 album by Prince Buster
Big Five, the national performing arts companies of Scotland
The Five (composers), also known as the Mighty Handful, group of 19th century Russian composers
The Big Five (film studios): Universal, Paramount, Warner Bros., Walt Disney, & Columbia
The current major U.S. TV networks: NBC, CBS, ABC, Fox & The CW
The major 5 film studios of the studio system: MGM, Paramount, Warner Bros. 20th Century Fox, & RKO
Business
Big Five (banks), the five largest banks in Canada
Big Five (Hawaii), an oligarchy of five corporations that ruled over Hawaii
Big Five (technology companies), a name given to Big Tech companies in the 2010s (Alphabet Inc. (Google), Amazon, Apple Inc., Meta Platforms (Facebook), and Microsoft)
Big Five auditors, a group of accounting firms that have since been reduced to the Big Four
Big Five auto shows: Detroit, Frankfurt, Geneva, Paris, Tokyo
Big Five law firms, the five largest law firms of South Africa
Big Five Software, 1980s game developer
Big 5 Sporting Goods, a publicly traded (NASDAQ) sporting goods company
The Big 5, the largest construction event in the Middle East, Africa and South Asia
Government and politics
Big Five (California politics), an informal institution of California's government
Big Five (Germany), the five major metropolitan regions in Germany
Big Five (Scotland Yard), a group of five senior Metropolitan Police detectives called upon to conduct investigations throughout Britain
Big Five of Bayview, a group of political activists in the Bayview-Hunters Point neighborhood of San Francisco
A colloquial name to refer to the five permanent members of the United Nations Security Council (United States, United Kingdom, France, China, Russia), or the five leading powers of the preceding League of Nations (United States, United Kingdom, France, Italy, Japan)
Big Five (Labour Party), a group of five influential British Labour Party (UK) politicians in the First Shadow Cabinet of Ramsay MacDonald
Sports
Big Five (Argentine football), the leading teams of Argentine football
Big Five (association football), the leading European markets in association football
"Big Five" or Power Five conferences, a group of U.S. college sports conferences that are larger than the other "Group of Five conferences"
Big Five Conference, a name used by the Athletic Association of Western Universities, now known as the Pac-12 Conference, from 1959 to 1962
Philadelphia Big 5, an association of college athletic programs in and near Philadelphia, mostly referencing the basketball programs of said schools. Big 5 teams compete in the annual Big 5 Classic showcase.
Science and technology
Big5, a character encoding method for Traditional Chinese characters
Big Five personality traits, a theoretical construct which describes human personality as organized along five dimensions or factors
Big Five Weapons, five biological weapons developed by the United States Army
The traditional five major extinction events during the Phanerozoic eon
Big Five (arithmetic), five common subsystems of second order arithmetic in reverse mathematics
Rule of big 5, an expansion of the rule of three in C++11
Other uses
Big Five cartel, an organized crime cartel in South Africa.
Five Families, a group of crime families in New York, United States.
Oceanic Big 5, a project for cleaning up the oceans.