Japanese Names That Mean Dragon: Ryu, Ryunosuke and Ryusei
Dragon names are among the most searched Japanese names, and among the most muddled. Plenty of lists include names that merely sound like "ryu". This article sticks to names in our dictionary that are actually written with a dragon kanji, explains the two forms of that kanji, and flags the look-alikes.
Two ways to write "dragon"
Japanese has two forms of the dragon character, and both are used in names:
- 龍: the traditional form, with many strokes and an ornate, old-fashioned feel.
- 竜: the simplified form used in everyday modern writing.
Both are read ryū or tatsu, and both may be used in names registered in Japan. The choice is mostly about looks. 龍 feels grand and classical, while 竜 is cleaner and more modern. There is also a third character, 辰 (tatsu), the dragon of the Chinese zodiac. It appears in some names too, but we don't list one yet.
In Japanese folklore, dragons are usually linked to water and rain rather than fire. They live in seas, rivers and clouds, and the dragon god Ryūjin rules the sea. That gives dragon names a sense of majesty and power over nature, not menace. Dragon kanji are grouped on our page of names meaning strength.
Names written with a dragon kanji
Ryu (龍 or 竜) is the dragon on its own. It is short, strong and easy to say anywhere in the world. In Hepburn romaji it is Ryū, with a long u. In everyday English spelling that is usually written Ryu, and sometimes Ryuu.
Ryunosuke (龍之介 or 竜之介) is the classic long-form dragon name. 之 is a linking "of", and 介 is "helper", an old-style ending for boys' names. The most famous bearer is the writer Akutagawa Ryūnosuke (芥川龍之介). One of Japan's best-known literary prizes, the Akutagawa Prize, is named after him. The name has a literary, slightly retro charm.
Ryusei can be written 龍星, "dragon star". Ryusei is more often 流星, "flowing star", meaning a shooting star. The sound is the same but the images are different, so choose the spelling you mean.
Tatsuya has the dragon spelling 竜也, with 竜 read tatsu. Its other common spelling, 達也, uses 達, "accomplish", which is not a dragon at all. Many dragon lists get this one wrong.
"Ryu" names that are not dragons
The sound ryū can be written with several kanji, so not every Ryu-name is a dragon:
- 流 (flow, stream), as in 流星, "shooting star".
- 琉 (lapis lazuli), as in 琉生. This name was 4th among boys born in 2025 in Meiji Yasuda's ranking, and it is mostly read Rui. Only a few children with this spelling were called Ryusei (source, in Japanese).
So when someone says their name is Ryūsei or Ryūta, the only way to know if it means dragon is to see how it is written.
Dragon names and gender
The dragon kanji appear mostly in boys' names today. If you want a dragon-inspired name for a girl, one option is a name with a related image of water and sky. Mio (澪, "waterway") and Sora (空, "sky") both have the airy, watery feeling of Japanese dragons without the kanji itself.
The year of the dragon
Japan uses the Chinese zodiac, and dragon years (tatsu-doshi) come round every twelve years. The most recent was 2024, and the next is 2036. Some parents like to mark a dragon-year birth with a dragon name, though it is a personal choice rather than a custom everyone follows.
Writing and saying dragon names
- Long vowels matter. りゅう is two beats, ryu-u. Said with a short u, it sounds clipped to Japanese ears. See our guide to morae.
- Check stroke counts if you care about them. 龍 has sixteen strokes, and 竜 has ten. Some families consult name fortune-telling based on stroke counts, which can sway the choice.
- Pair it sensibly. In Japanese the surname comes first. Dragon names suit sturdy surnames, as in Takeda Ryunosuke or Yamamoto Ryu.
Keep exploring
For more powerful names, see strong Japanese boy names and names meaning stars. You can also browse every boy name in the dictionary.