Koi vs Olivia

Baby Name Comparison — 2026

Popularity Comparison

Koi Rank #2,684
Olivia Rank #1

Olivia is more popular, ranked #1 vs #2684 for Koi.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Koi ___

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

Olivia ___

  • Olivia Rose
  • Olivia Grace
  • Olivia Jane
  • Olivia Mae
  • Olivia Claire
  • Olivia Jade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Koi

Kai Reef Cove Marina River

If you choose Olivia

Liam Noah Charlotte Emma Sophia

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 Koi or Olivia more popular?

Olivia is more popular, ranked #1 compared to Koi at #2684 in the United States.

What do Koi and Olivia mean?

Koi means "love, romantic feeling" (Japanese origin). Olivia means "olive tree" (Latin origin).

Are Koi and Olivia boy or girl names?

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

More Comparisons

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