Home › Baby Names Directory › Onni

Onni

♂ Boy

Pronounced OHN-nee /ˈoʊn.ni/Medium

Meaning: From the Finnish onni, 'luck; happiness; good fortune.' A cheerful virtue name, popular in Finland.Low

In 30 seconds: A cheerful Finnish name: Onni means 'luck; happiness; fortune' (said 'OHN-nee'). Bright and warm.

💕 Browse more names

Origin MediumFinnish

MeaningFrom the Finnish onni, 'luck; happiness; good fortune.' A cheerful virtue name, popular in Finland.

U.S. rank (2024)#10600 ↘ Falling

2024 U.S. births7 boys (0.00% of U.S. boys)

Peak year2017

Total births (all-time)≈ 79

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Onni comes from the Finnish for 'luck; happiness,' a warm virtue name popular in Finland. It reads bright and cheerful — rare in the U.S. (said 'OHN-nee').

In the U.S. it appears rarely, more familiar in Finland. Rare, cheerful, and warm.

Did you know? Onni is the Finnish word for 'luck; happiness; good fortune' — a bright, cheerful virtue name, well-loved in Finland (said 'OHN-nee').

Overall data confidence 52%

References — Onni — Finnish 'luck; happiness'

Variations

OniOnnieOnny

Nicknames

OnNino

Famous Bearers

Famous bearers coming soon.

If you like Onni…

Joni— a fellow Finnish choice

Sami— lands in the same popularity range

Esa— lands in the same popularity range

Mikko— shares Onni's Finnish roots

Riku— a similarly popular pick

Explore names like Onni

By themevirtue warm finnish cheerful

By meaningJoy Wealth

All themes →All meanings →All origins →

Frequently Asked

What does the name Onni mean?

Onni is Finnish for 'luck; happiness; good fortune.'

How do you pronounce Onni?

It's said OHN-nee /ˈoʊn.ni/ — two syllables, stress on the first.

Is Onni a boy or girl name?

Onni is a boy's name.

How popular is Onni?

Onni is a rare name in the U.S., popular in Finland.