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Smart Baby Names: Dictionary of Baby Names, Meanings and Origins.

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Baby Genders

Alphabetical List

Name Origins

Boy Name: Leo

Name: Leo
Pronunciation: \leo\
Gender / Sex: boy name boy
Meaning: lion
Origin: Latin
Related Names: Leomaris, Leander, Leonard, Leopold
Sounds Like: Le-, Lea, Le, Lew
Variant forms: Lee, Leon, Leoncio, Leonel, Leonello, Leontios, Lev, Lion, Lyon
Rank as First Name (Given Name): 168
Rank as Last Name (Surname, Family Name): 6217


Leo \leo\ as a boy's name is pronounced LEE-oh. It is of Latin origin, and the meaning of Leo is "lion". A common name in Roman times, and the name of 13 popes, including Leo the Great (fifth century), who successfully dealt with Attila the Hun when the Vandals conquered Rome. Author Leo Tolstoy; actor Leo G. Carroll.

Leo has 9 variant forms: Lee, Leon, Leoncio, Leonel, Leonello, Leontios, Lev, Lion and Lyon.

For more information, see also related names Leomaris, Leander, Leonard and Leopold.

Baby names that sound like Leo are Le-, Lea, Le and Lew.

View a list of the 8 names that reference Leo.


Leo is a very popular first name for men (#168 out of 1220) and also a very popular surname or last name for both men and women (#6217 out of 88799). (1990 U.S. Census)

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