Rei
Meaning
My companion.
Origin
Japanese
Pronunciation
/reɪ/
Traits associated with the name Rei:
Dogs named Rei tend to be loving, and good-natured. This name is also associated with companionship, and friendship.
What does it say about you to have a dog named Rei?
That you have an appreciation for Japanese culture and may have a fondness for the character Rei from the anime series Neon Genesis Evangelion.
Is Rei a good dog name?
Rei is a one-syllable dog name, making it short and snappy. The name also ends in a vowel sound, so it's easy for dogs to recognize. Rei isn't one of the most common names, so your dog will certainly stand out. If you love the name, you should pick it!
Popularity: Overall
Rei is not a popular dog name. That's great if you like to stand out from the crowd!
Popularity: Historical Trend
Rei was, in the past month, the 987th most viewed dog name on PupNames.com.
As of May 2025, Rei is becoming a more popular moniker with new puppy owners. Our stats show that the name is more fashionable than it was at this time last year.
We've seen quite a lot of variation in rank for this name, which may suggest seasonal factors or interest driven by pop culture events.
In the past week, Rei was viewed 34 times, and liked 0 times.
Popularity: United States
The map below shows Rei's popularity across the United States, according to PupNames data.
Rei is most adored in Louisiana, Virginia and Georgia.
By contrast, the name has been shown the least amount of interest in Nebraska, Illinois and Indiana.
Popularity: Around The World
And this world map shows which countries have the greatest love for the name Rei.
Rei is found in these categories:
friendly
Rei means "king" in Portuguese, perfect for regal, lovable pups!
Dog names like Rei:
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