Ryotaro
Meaningoften good eldest son · Japanese
Ryotaro is a Japanese boy name often meaning “good eldest son”. In Japan, parents often choose a name as much for the kanji characters behind it as for its sound, so the same name can carry several shades of meaning. A meaning like this gives a child something to grow into, and a good story to tell when someone asks about their name. It sounds flowing and melodic, it's simple to spell and say, and it pairs well with a short middle name.
Did you know?
- GenerationRyotaro peaked in 2001, which makes it a Gen Z name. The typical Ryotaro you'd meet today is about 24 years old.
- HistoryRyotaro first shows up in US birth records in 1996, the first year at least 5 babies got it. It has been in use for 29 years since.
US births per million boys, 1996–2025
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Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Ryotaro
Ryotaro is a boy name of Japanese origin meaning “often good eldest son”. With 3 syllables it has a flowing, lyrical sound, so a short middle name balances it nicely. It's a fresh, modern name that only arrived in US birth records in recent decades. It's rarely heard today, so it stands out while still being a real, established name.
Origin:Japanese names
More Japanese boy names
- Unisex name: Asa · healer
- Unisex name: Rio · river
- Unisex name: Akari · light, brightness
- Boy name: Kenzo · often healthy third son
- Boy name: Kenji · often strong second son
- Unisex name: Ren · often lotus
- Unisex name: Zen · meditation
- Unisex name: Mars · god of war
Questions about the name Ryotaro
What does the name Ryotaro mean?
Ryotaro means “often good eldest son” and comes from Japanese. Other boy names with a similar meaning include Kantaro (“often sensitive eldest son”), Keitaro (“often blessed eldest son”), Kentaro (“often strong eldest son”) and Kotaro (“often little eldest son”).
What is the origin of the name Ryotaro?
Ryotaro is Japanese in origin. Other Japanese names to consider are Asa (“healer”), Rio (“river”), Akari (“light, brightness”) and Kenzo (“often healthy third son”).
Is Ryotaro a boy or girl name?
Ryotaro is a boy name.
How popular is the name Ryotaro?
Ryotaro is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2002. It peaked at #7,536 in 2001, so it's a name with history that few kids share today.
What names are similar to Ryotaro?
If you like Ryotaro, you might also like Kantaro, Keitaro, Kentaro and Kotaro.
What should I know before naming my baby Ryotaro?
Ryotaro is a Japanese boy name often meaning “good eldest son”. In Japan, parents often choose a name as much for the kanji characters behind it as for its sound, so the same name can carry several shades of meaning. A meaning like this gives a child something to grow into, and a good story to tell when someone asks about their name. It sounds flowing and melodic, it's simple to spell and say, and it pairs well with a short middle name. Say it out loud with your last name and any middle names you're considering, and check the initials it makes.