Leo dog name
We found 9,227 dogs named Leo in the public pet registers of 30 places. Combining all places, Leo is the #30 dog name. It is a top-ten name in Switzerland, Zurich, Laval and Basel. Almost all dogs named Leo are male.
🐱 Leo is also a popular cat name (#7 for cats, 9,411 cats).
Leo as a dog name, by place
| Place | Rank | Dogs | Years |
|---|---|---|---|
| Sweden Sweden | #18 in top 100 | 3,493 | 2025 |
| Switzerland Switzerland | #10 in top 34 | 1,714 | 2026 |
| Allegheny County United States | #70 of 51,228 | 762 | 2003–2026 |
| New York City United States | #16 of 34,500 | 1,353 | 2014–2025 |
| South Australia Australia | #41 in top 100 | 1,092 | 2025 |
| Toronto Canada | #30 of 10,500 | 178 | 2019 |
| City of Casey Australia | #16 in top 20 | 147 | 2025 |
| Seattle United States | #14 of 8,191 | 95 | 2026 |
| Playford Australia | #108 of 4,586 | 24 | 2015 |
| Cambridge United States | #33 of 4,375 | 36 | 2017–2026 |
| Vancouver Canada | #46 of 4,602 | 25 | 1999–2026 |
| Zurich Switzerland | #4 of 5,788 | 49 | 2025 |
| Noosa Australia | #93 of 3,045 | 17 | 2017 |
| Laval Canada | #5 of 2,965 | 75 | 2017–2026 |
| Worcester United States | #42 of 2,906 | 21 | 2026 |
| Maple Ridge Canada | #16 of 2,440 | 35 | 2026 |
| Basel Switzerland | #7 of 3,446 | 30 | 2026 |
| Victoria Canada | #124 of 2,588 | 8 | 2025 |
| Surf Coast Shire Australia | #100 of 1,974 | 10 | 2016 |
| Golden Plains Shire Australia | #290 of 2,062 | 3 | 2016 |
| Burnside Australia | #65 of 1,888 | 12 | 2015 |
| Framingham United States | #133 of 1,965 | 5 | 2020 |
| Richmond United States | #27 of 2,347 | 12 | 2018 |
| Tacoma United States | #52 of 1,917 | 8 | 2021 |
| Corangamite Shire Australia | #115 of 1,161 | 4 | 2023 |
| Port Moody Canada | #33 of 1,280 | 8 | 2019 |
| Miranda Colombia | #233 of 758 | 1 | 2024 |
| Adelaide Australia | #31 of 958 | 5 | 2014 |
| Prospect Australia | #54 of 518 | 3 | 2016 |
| Burlington United States | #55 of 641 | 2 | 2022 |
Rank among all names in that place's register ("in top N" where only a top list is published). "Per 10,000" is how many of every 10,000 registered dogs there are named Leo. Click a column to sort. See data sources.
Female or male?
17 female and 4,122 male dogs named Leo, in the places that record sex.
Leo over the years
Dogs named Leo per 10,000 dogs, by the year of registration or licence (varies by place). Hover a bar for the number.
Breeds of dogs named Leo
Compared to all dogs, Leo is especially common among Goldendoodles (2.4×), Pomeranians (2.2×), Cockapoos (2.2×), Rhodesian Ridgebacks (2.1×) and Chow Chows (2.0×).
Based on 2,274 dogs named Leo with a known breed. Crosses are counted as their first-named breed.
Famous dogs named Leo
From Wikidata. More famous dogs
Leo as a baby name
Leo was the #19 boys' name in the US in 2025 (8,173 babies). Elsewhere it ranks #2 for boys in Finland, #2 for boys in Canada (Quebec), #3 for boys in Spain (Valencian Community) and #3 for boys in England and Wales. See Leo as a baby name on MixedName, including which languages use it.
Similar dog names
Dog names ranked near Leo
Top dog names · All dog names starting with L · Leo as a cat name