Olivia vs Rienna

Baby Name Comparison — 2026

Olivia

Girl #1 Most Popular 4 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English Italian American

Quick Stats

Popularity Rank: #1
Total SSA Count: 14,718
Syllables: 4
Formality: Moderate
Nicknames: Liv, Livvy, Oli

Playground Safety Score

✓ All Clear

Similar Names

Madison Myla Camila Sienna

Full profile for Olivia →

Rienna

Girl #52,189 Most Popular

Quick Stats

Popularity Rank: #52,189
Total SSA Count: 5
Nicknames: Rie, Rien, Rieny

Playground Safety Score

✓ All Clear

Similar Names

Janaja Dhamar Yalexa

Full profile for Rienna →

Popularity Comparison

Olivia Rank #1

Rienna Rank #52,189

Olivia is more popular, ranked #1 vs #52189 for Rienna.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Olivia ___

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

Rienna ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Rienna

No sibling data available yet.

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 Olivia or Rienna more popular?

Olivia is more popular, ranked #1 compared to Rienna at #52189 in the United States.

What do Olivia and Rienna mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Rienna boy or girl names?

Olivia is primarily a girl name. Rienna is primarily a girl name.

More Comparisons

Rienna vs Olivia Olivia vs Madison Olivia vs Myla Olivia vs Camila Olivia vs Sienna

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