Aina vs Rei

Baby Name Comparison — 2026

Aina

Girl #4,812 Most Popular 2 Syllables

Meaning

"love, indigo"

Origin: Japanese

Cultural Roots

Japanese Finnish Scandinavian Arabic

Quick Stats

Popularity Rank
#4,812
Total SSA Count
28
Syllables
2
Formality
Moderate
Nicknames
Ai

Playground Safety Score

✓ All Clear
Full profile for Aina →

Rei

Boy #3,800 Most Popular 1 Syllable

Meaning

"courtesy, respect, gratitude"

Origin: Japanese kanji 礼

Cultural Roots

Japanese American Brazilian

Quick Stats

Popularity Rank
#3,800
Total SSA Count
29
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Rei →

Popularity Comparison

Aina Rank #4,812
Rei Rank #3,800

Rei is more popular, ranked #3800 vs #4812 for Aina.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aina ___

  • Aina Rose
  • Aina Marie
  • Aina Grace
  • Aina Claire
  • Aina Elise
  • Aina Joy

Rei ___

  • Rei James
  • Rei Thomas
  • Rei Alexander
  • Rei Kenji
  • Rei Haruki
  • Rei Jun

Sibling Name Ideas

Names that pair well as siblings.

If you choose Aina

Hana Mia Nori Suki Kai

If you choose Rei

Kai Sora Haru Ryu Suki

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Aina or Rei more popular?

Rei is more popular, ranked #3800 compared to Aina at #4812 in the United States.

What do Aina and Rei mean?

Aina means "love, indigo" (Japanese origin). Rei means "courtesy, respect, gratitude" (Japanese kanji 礼 origin).

Are Aina and Rei boy or girl names?

Aina is primarily a girl name. Rei is primarily a boy name.

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← Full profile: Aina ← Full profile: Rei Browse all baby names