Astra vs Koi

Baby Name Comparison — 2026

Astra

Girl #3,185 Most Popular 2 Syllables

Meaning

"star, stars"

Origin: Latin

Cultural Roots

English Lithuanian Latvian American

Quick Stats

Popularity Rank
#3,185
Total SSA Count
50
Syllables
2
Formality
Moderate
Nicknames
Asta

Playground Safety Score

✓ All Clear
Full profile for Astra →

Koi

Boy #2,684 Most Popular 1 Syllable

Meaning

"love, romantic feeling"

Origin: Japanese

Cultural Roots

Japanese American Hawaiian

Quick Stats

Popularity Rank
#2,684
Total SSA Count
49
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Koi →

Popularity Comparison

Astra Rank #3,185
Koi Rank #2,684

Koi is more popular, ranked #2684 vs #3185 for Astra.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Astra ___

  • Astra Jane
  • Astra Grace
  • Astra Rose
  • Astra Violet
  • Astra Elise
  • Astra Jade

Koi ___

  • Koi River
  • Koi Blue
  • Koi James
  • Koi Lee
  • Koi Finn
  • Koi Reef

Sibling Name Ideas

Names that pair well as siblings.

If you choose Astra

Lyra Orion Nova Celeste Zephyr

If you choose Koi

Kai Reef Cove Marina River

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 Astra or Koi more popular?

Koi is more popular, ranked #2684 compared to Astra at #3185 in the United States.

What do Astra and Koi mean?

Astra means "star, stars" (Latin origin). Koi means "love, romantic feeling" (Japanese origin).

Are Astra and Koi boy or girl names?

Astra is primarily a girl name. Koi is primarily a boy name.

More Comparisons

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← Full profile: Astra ← Full profile: Koi Browse all baby names