Leo
Leo or Léo may refer to:

Acronyms
Law enforcement officer
Law enforcement organisation
Louisville Eccentric Observer, a free weekly newspaper in Louisville, Kentucky
Michigan Department of Labor and Economic Opportunity

Arts and entertainment
Music
Leo (band), a Missouri-based rock band that was founded in Cleveland, Ohio
L.E.O. (band), a band by musician Bleu and collaborators

Film
Leo (2000 film), a Spanish film
Leo (2002 film), a British-American film
Leo, a 2007 Swedish film by Josef Fares
Leo (2012 film), a Kenyan film
Leo the Lion (MGM), mascot of the Metro-Goldwyn-Mayer film studio
Leo (2023 American film)
Leo (2023 Indian film)

Television
Leo Awards, a British Columbian television award
"Leo", an episode of Being Erica
Léo, fictional lion in the animation Animal Crackers
Léo, 2018 Quebec television series created by Fabien Cloutier

Companies
Leo Namibia, former name for the TN Mobile phone network in Namibia
Leo Pharma, an international pharmaceutical company, based in Denmark
Leo Records, an English jazz record label
Lioré et Olivier, a French aircraft manufacturer from 1912 to 1937
The Leo Group, a waste-recycling company based in Halifax, England

People
Name lists
Leo (given name), a list of people and fictional characters with the given name or nickname
Léo, a list of people with the given name
Leo (surname), a list of people
Leonid dynasty, also known as the House of Leo, a Byzantine dynasty

Single names
Arakel Babakhanian (1860–1932), known by his pen name Leo, Armenian historian
Leo (singer) (born 1990), South Korean pop musician
Léo (footballer, born 1975), full name Leonardo Lourenço Bastos, Brazilian football leftback
Leo (footballer, born November 1989), full name Leonardo Passos Alves, Brazilian football striker
Leo (footballer, born December 1989), full name Leandro Mariano da Silva, Brazilian football striker
Léo (footballer, born 1990), full name Leonardo da Silva Vieira, Brazilian football goalkeeper
Léo (footballer, born 1992), full name Leonardo José Peres, Brazilian football forward
Leo (wrestler) (born 1989), Mexican professional wrestler
Luiz Eduardo de Oliveira or Léo (born 1944), Brazilian comics writer

Places
Léo Department, a department or commune of Sissili Province in southern Burkina Faso
Léo, Burkina Faso, the capital city of Sissili Province and Léo Department
Leo, a village that was merged into Leo-Cedarville, Indiana, U.S.
Leo, Ohio, U.S.
Leo, West Virginia, U.S., a ghost town
Leo Islands, Nunavut, Canada

Science and technology
Astronomy and space exploration
Launch and Early Orbit phase, of a space mission
LEO (spacecraft), a lunar mission
Low Earth orbit, a satellite path
Leo (constellation), a constellation

Biology
Leo (horse), an American Quarter Horse
Leonberger or Leo, a breed of dog
Long-term Ecosystem Observatory, a marine study project
Leo, an obsolete genus now in Panthera

Computing
LEO (computer), the first commercially used computers
Leo (text editor), a computer program

Sports
BC Lions or Leos, a Canadian Football League team
The PBA Leo Awards, annual Philippine Basketball Association awards

Other uses
Leo (astrology), an astrological sign
LEO (website), a group of dual-language dictionaries and discussion forums
Leo Petroglyph, a series of ancient stone carvings
Leo clubs, youth branch of Lions Clubs International

See also
Leos (disambiguation)
Les Hurlements d'Léo, a French musical group
Lio (disambiguation)
St. Leo (disambiguation)
Ultraman Leo, a 1974 tokusatsu television series