Discover and Shortlist Your Perfect Baby Names!

Onni as a Baby Name. Meaning and Origin of Onni

Add to my Name List

The baby name Onni is a Male name , 2 syllables long and is pronounced /ˈonːi/ (OHN-nee).

Onni is Finnish in Origin.

Gender: Male
Syllables: 2.0
Origin: Finnish
Pronunciation: /ˈonːi/ (OHN-nee)

What is the meaning of the name Onni ?

The baby name Onni is a Male name , 2 syllables long and is pronounced /ˈonːi/ (OHN-nee).

Onni is Finnish in Origin.

Onni is a Finnish given name derived directly from the common noun onni, meaning “happiness,” “luck,” or “good fortune.” Pronounced OHN-nee (Finnish [ˈonːi]), it entered wider use in the late 19th century during Finland’s national awakening, when native-language names replaced Swedish ones. The name was popular in the early 1900s, waned mid-century, and has surged again since the 1990s, ranking among Finland’s top boys’ names.

As a short, transparent word-name, Onni has few true variants; Finnish nicknames include Onsku. A feminine diminutive, Onneli (“little happiness”), appears in literature and occasional use. Hyphenated compounds such as Onni-Pekka or Onni-Petteri occur. Outside Finland, the name sees limited use, though Finnish communities in Sweden employ it; do not confuse it with English omni. Semantic counterparts include Felix (Latin), Asher (Hebrew), and Sa‘id/Saeed (Arabic), all meaning happy or fortunate. Notable bearers include historian Onni Okkonen, Onni Tommila, and footballer Onni Valakari.

Onni has the following similar or variant Names

Onni – Popularity by country

Based on birth registration data from national statistics agencies.

Country Gender Year Rank Born of
NA 0 #33 1 2,537
Finland Boys 2026 #64 10,789 3,552
EE Boys 0 #125 1 2,087
Finland Boys 0 #125 732 2,041
BN Boys 0 #139 1 6,332
Sweden Boys 2021 #180 4 1,578
AL Girls 0 #227 1 4,141
Finland 0 #270 38 830
TW Girls 0 #288 2 8,139
AL Boys 0 #302 2 5,122
CZ Boys 0 #305 1 6,530
MY 0 #354 1 12,352
HK 0 #357 1 8,483
SD Girls 0 #357 2 7,678
GH Boys 0 #361 1 8,138
BD Girls 0 #376 11 8,413
OM Girls 0 #424 1 15,987
RU Boys 0 #526 1 12,621
KW Girls 0 #561 1 19,177
IR Boys 0 #565 1 10,162
BD Boys 0 #605 1 10,045
BO Boys 0 #622 1 9,244
SG Girls 0 #631 2 18,916
HK Girls 0 #642 9 16,104
Finland Girls 2026 #733 6 3,895
SG Boys 0 #739 1 17,960
NG Girls 0 #826 1 15,093
United States Boys 2024 #886 7 7,044
CL Girls 0 #915 1 14,098
OM Boys 0 #918 1 17,948
PE Boys 0 #926 1 14,506
MY Girls 0 #985 10 24,821
NG Boys 0 #1,000 2 16,906
EG Girls 0 #1,004 6 14,742
SA Girls 0 #1,014 1 25,931
MX Boys 0 #1,033 1 16,355
CO Girls 0 #1,151 2 16,140
MY Boys 0 #1,181 2 25,439
MA 0 #1,199 1 20,986
DZ 0 #1,234 1 20,130
ZA Girls 0 #1,235 2 25,928
MX Girls 0 #1,267 1 17,781
IT Boys 0 #1,462 10 10,046
SA Boys 0 #1,691 1 28,008

Onni is popular in 31 countries — most recent births per country:

United States
Sweden
AL
BD
BN

Did we miss something about this name? Let us know!

People also ask about Onni

Onni is predominantly a boy's name.
Onni is a 2 syllable name, pronounced /ˈonːi/ (OHN-nee).
Common nicknames and spelling variations include Onneli, Onno and Onninen.
Yes, very popular — Onni ranked #64 in Finland in 2026, and appears in official birth registries across 3 countries.
Onni ranks highest in Finland (#64 in 2026).
Onni's popularity is declining. It moved from #881 in 2015 to #886 in 2024 in United States.