The nameLeo

Leo is a boy's name of Latin origin meaning "lion". Borne by fourteen popes, it is one of the fastest rising boys' names in Europe and the English-speaking world.

Meaning

Leo is the Latin word for "lion", borrowed from the Greek leon. The lion stands for strength, courage and royalty.

Origin

Latin. Leo was used in the early Church and as a short form of longer names such as Leonard, Leopold or Leon.

History

Pope Leo the Great, who met Attila in 452, made the name famous in Christian history. Fourteen popes have taken it, the latest being the American Robert Prevost, elected as Leo XIV in May 2025. Leo is the English name of the Russian writer Lev Tolstoy. Rare for most of the 20th century, it has become a top 10 name in England and Wales, Ireland, Austria and France.

Leo in other languages

Leo began as a short form of Leon, Leonard or Leopold. It is Léo in French, Leo in German, Italian and the Nordic countries, León in Spanish and Lev in Russian, the real first name of Leo Tolstoy.

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Famous people named Leo

Popularity of the name Leo

Leo in the United States

24thmost popular boys' name in the United States in 2024
2022peak year (8,322 births)
253,873babies named Leo in the United States since 1880
04,1618,322 18801900192019401960198020002020
Births per year in the United States. Source: Social Security Administration, names given at least 5 times a year.

Leo was most popular in the United States in the 2010s, with 44,821 births over the decade, 18% of all recorded babies named Leo. Its rise began around 1911, and it peaked in 2022. Half of all babies named Leo in the United States were born before 1955, although it is popular again today. Over the last five years on record, it has been rising: 7,880 births a year on average, against 6,044 in the five years before.

Leo in the United Kingdom

4thmost popular boys' name in the United Kingdom in 2025
2017peak year (4,193 births)
73,102babies named Leo in the United Kingdom since 1997
02,0974,193 200020052010201520202025
Births per year in the United Kingdom. Source: ONS, NRS and NISRA (England, Wales, Scotland, Northern Ireland), names given at least 3 times a year.

Leo was most popular in the United Kingdom in the 2010s, with 36,116 births over the decade, 49% of all recorded babies named Leo. Its rise began around 2001, and it peaked in 2017. Half of all babies named Leo in the United Kingdom were born before 2016, so it is mostly a name of today's children and teenagers. Over the last five years on record, its popularity has held steady at around 3,806 births a year.

Leo in Ireland

10thmost popular boys' name in Ireland in 2025
2025peak year (261 births)
4,152babies named Leo in Ireland since 1964
0131261 198020002020
Births per year in Ireland. Source: Central Statistics Office, names given at least 3 times a year.

Leo in France

2ndmost popular boys' name in France, latest official figures
2014peak year (5,105 births)
135,505babies named Leo in France since 1900
02,5535,105 1900192019401960198020002020
Births per year in France. Source: Insee, French national statistics office, latest official figures. Rounded numbers.

Leo in Belgium

9thmost popular boys' name in Belgium in 2025
2025peak year (380 births)
5,013babies named Leo in Belgium since 1995
0190380 1995200020052010201520202025
Births per year in Belgium. Source: Statbel, names given at least 5 times a year.

Leo in Switzerland

2ndmost popular boys' name in Switzerland in 2025
2023peak year (366 births)
6,688babies named Leo in Switzerland since 2000
0183366 200020052010201520202025
Births per year in Switzerland. Source: Swiss Federal Statistical Office (FSO).

Leo in Austria

7thmost popular boys' name in Austria in 2025
2025peak year (530 births)
7,634babies named Leo in Austria since 1984
0265530 198519901995200020052010201520202025
Births per year in Austria. Source: Statistik Austria (until 2009, Austrian nationals only).

Leo in Norway

28thmost popular boys' name in Norway in 2025
2025peak year (201 births)
3,554babies named Leo in Norway since 1945
0101201 1960198020002020
Births per year in Norway. Source: Statistics Norway (SSB), table 10467.

Variants and related names

Sibling names for Leo

Names from the same generation as Leo, whose popularity in the United States has followed a similar path.

How many people are named Leo? See the counter → · What would your name be in 1950? · Name origin quiz

Compare Leo with another name

Meaning, origin and popularity of Leo side by side with the name of your choice.

Leo in our baby name lists

Frequently asked questions

What does the name Leo mean?

Leo is the Latin word for "lion", borrowed from the Greek leon. The lion stands for strength, courage and royalty.

What is the origin of the name Leo?

Latin. Leo was used in the early Church and as a short form of longer names such as Leonard, Leopold or Leon.

Is Leo a girl's or a boy's name?

Leo is a boy's name.

How popular is the name Leo?

In 2024, Leo was the 24th most popular name for baby boys in the United States, with 7,793 births.

What are the variants of the name Leo?

Variants and related names of Leo include Leon and Leona.

What are good sibling names for Leo?

Names from the same generation, with a similar popularity in the United States: Aurora, Emilia, Eleanor and Camila for a sister, August, Asher, Roman and Ezekiel for a brother.

Who are famous people named Leo?

Saint Leo the Great, pope; Pope Leo XIV; Leo Tolstoy, writer.