Leonidus
Boy · lee-ON-ih-dus · Greek
Leonidus is a boys' name of Greek origin, meaning “son of the lion”. Too few babies were given it in the latest year to rank.
What does Leonidus mean?
Greek: variant of Leonidas
“son of the lion”
A spelling of Leonidas, the Spartan king who fell defending the pass of Thermopylae in 480 BC.
- Say it
- lee-ON-ih-dus
Is Leonidus a girl's or a boy's name?
Leonidus is a boys' name.
How popular is Leonidus in the US?
No boys in the US were given it in 2025, or too few to be listed. Its busiest year was 2008, with 16 boys. It first appears in the records in 2007.
Half of all the boys named Leonidus in the US since 1880 were born between 2011 and 2018, the years shaded on the chart below.
Leonidus in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2024 | 6 | #10,930 |
| 2023 | 7 | #9,757 |
| 2022 | 6 | #10,855 |
| 2021 | 0 | – |
| 2020 | 9 | #8,062 |
| 2019 | 7 | #9,750 |
| 2018 | 15 | #5,766 |
| 2017 | 6 | #10,770 |
| 2016 | 12 | #6,721 |
| 2015 | 13 | #6,320 |
| 2014 | 13 | #6,303 |
| 2013 | 9 | #8,113 |
| 2012 | 11 | #7,044 |
| 2011 | 8 | #8,760 |
| 2010 | 15 | #5,737 |
| 2009 | 0 | – |
| 2008 | 16 | #5,482 |
| 2007 | 5 | #12,361 |
Nicknames for Leonidus
- Leo 3,629 boys in the UK in 2025
Names like Leonidus
Names given in the same years and the same naming tradition, with a similar sound.
Ares Luca Atreus Atlas Maximus Atticus Memphis Thiago Silas Perseus Ledger Kyrie
Names related to Leonidus
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