Leo

Leo is the Latin word for "lion"
Leo or LEO may refer to:

• Leo (constellation), a constellation in the sky
• Leo (astrology), a sign of the zodiac

• Léo, Burkina Faso, a town
• Leo, West Virginia, a ghost town
• Leo Islands, Nunavut, Canada

• House of Leo, a Byzantine dynasty
• Leo (given name)
• Leo (surname)
• Leonardo DiCaprio, American actor, often referred to eponymously as 'Leo'
• Léo, pen name of Brazilian comics writer Luiz Eduardo de Oliveira
• Arakel Babakhanian (186-1932), Armenian historian commonly known as Leo
• Joseph Léo Dandurand (1889–1964), sportsman, businessman and owner and coach of the Montreal Canadiens National Hockey League team
• Leo (wrestler), Mexican professional wrestler
• Leo (singer), stage name of Jung Taek-woon, a member of the South Korean boy band VIXX

• LEO (spacecraft), a lunar mission
• Launch and Early Orbit phase of a space mission
• Low Earth orbit, a satellite path
• Long-term Ecosystem Observatory, a marine study project
• LEO (computer), the first commercially used computers
• Leo (text editor), a computer program

• Leo the Lion (MGM), mascot of Metro-Goldwyn-Mayer
• Leo (film), a 2000 Spanish film by José Luis Borau
• Leo (2002 film), a 2002 drama by Mehdi Norowzian
• Leo (2007 film), a 2007 Swedish film by Josef Fares
• An episode in the television series Being Erica
• Leo Awards, a British Columbian television award
• Leo (band), a Missouri-based rock band that was founded in Cleveland, Ohio
• LEO (ELO tribute band), Boston 2006

• Leo Pharma, an international pharmaceutical company, based in Denmark
• Leo Namibia, the old name for the mobile phone network in Namibia which since 2012 is known as TN Mobile
• Leo Records, an English jazz record label

• Lioré et Olivier (LeO), a French aircraft manufacturer from 1912 to 1937
• Leo (horse), an American Quarter Horse
• LEO (website), a group of dual-language dictionaries and discussion forums
• The PBA Leo Awards, annual Philippine Basketball Association awards
• Leo Catholic High School, Chicago, Illinois, United States
• Louisville Eccentric Observer, a free weekly newspaper in Louisville, Kentucky, United States
• Leos, a nickname for Canadian Football League's BC Lions
• Leo, nickname for a giant breed of dog, the Leonberger, named after the town of Leonberg in Germany
• Law enforcement officer, any public-sector employee or agent whose duties primarily involve the enforcement of laws
• Leotard