Leo

At a glance

Leo is the #21 dog name in our records and #3 for cats. About 1 in 138 male dogs is called Leo, and the name is steady.

Data updated November 2026 · How we count

How popular is Leo?

#21dog name of 19,856
1 in 138male dogs
3,366dogs in the records
#3cat name

Girl or boy?

Girls 1%Boys 90%Not recorded 9%

1% girls · 99% boys among 3,056 dogs with a recorded sex

Leo over the years

Steady
029.158.12013: 37.8, 2014: 34.6, 2015: 40.0, 2016: 42.4, 2017: 41.1, 2018: 47.0, 2019: 42.8, 2020: 50.5, 2021: 41.6, 2022: 43.8, 2023: 41.2, 2024: 43.52013201520172019202120232024

Dogs named Leo per 10,000 dogs born that year, from the sources that record birth year.

Popular with these breeds

Names that sound like Leo

Questions

Is Leo a girl or boy dog name?

It is almost always a boy's name (99% male).

How popular is Leo for dogs?

Leo is the #21 dog name of 19,856 in our data, with 3,366 dogs in public records. The name is steady.

How do you pronounce Leo?

Leo is said in 2 syllables: Le·o. Tap Listen to hear it.

What names sound like Leo?

Louie, Leia and Leah sound similar.

What breeds are often named Leo?

Poodles, Shih Tzus and Yorkshire Terriers are the breeds most often called Leo.

More dog names