Leoni

given name · Portuguese · Latin script

Recorded as a female name· opposite-gender records fall within measured source noise

Leoni is a given name, with more bearers in Brazil than in any other country. It appears chiefly in Portuguese and English, written in the Latin script. Recorded meaning: probably an altered form of Catalan lleom a nickname meaning ‘like a lion’.

rarermore common
  • ATAustria1 in 16K
  • BRBrazil1 in 18K
  • DEGermany1 in 43K

carrying the name, one hue, darker where it is more common. Hover a country for its figure.

≈12K

across 13 countries

Sources
182

17K records

Official registry-verified

1 in 18K

Brazil

Meaning & origin

probably an altered form of Catalan lleom a nickname meaning ‘like a lion’.

Sources 1

  • Dictionary of American Family Names

Attested across 3 languages in the etymology graph.

Where in the world

Sorted by bearers counted by national registers, records where none counts.

Where Leoni is recorded, by country
CountryMost common spellingSources
BR Brazil11,50321 rec.1 in 18K15KLeoni5
DE Germany2,8442.9K rec.Leoni110
GB United Kingdom1,1721.1K rec.6Leoni83
AT Austria1,03279 rec.314Leoni22
AU Australia8901.1K rec.3Leoni72
ZA South Africa762785 rec.Leoni33
US United States3129K rec.1 in 1.1M1.1KLeoni182
SE Sweden21212 rec.1 in 48K21211
PH Philippines7467 rec.Leoni9
CA Canada43204 rec.5Leoni28
NL Netherlands40298 rec.1 in 432K396Leoni39
PL Poland3911 rec.1 in 982K39Leoni1

Roughly 12K people in Brazil bear this name (about 1 in 18K). Estimates project the name's share of our records onto national population, so each is only as good as the record base beside it — the Basis column gives that base; rows marked rest on fewer records than the estimate itself and are order-of-magnitude at best.

Country figures for a list of names, at full precision, are available under licence rather than by scraping this table. How that works.

Languages

  • Portuguese204K87%
  • English17K7%
  • German4.1K2%
  • Spanish3K1%
  • Western Frisian1.1K1%
Show as table
Languages in which the name is recorded
NameRecordsNote
Portuguese204,01187%
English16,7637%
German4,0952%
Spanish3,0431%
Western Frisian1,1151%

Language is read off each record's context, not declared by the bearer; a share is of all records for this spelling.

Other names spelled this way

Leoni is also recorded as 6 other names, grouped separately because the records behind them do not connect to the one described above.

  • Spanish given name17K records spelled Leoni6 spellings in the group

    Most recorded in Argentina, United States, Peru, Venezuela

    Also written Leoní, Leóni, Leôni, Leonî, Lêôni

  • Italian given name6.3K records spelled Leoni3 spellings in the group

    Most recorded in Italy, United States, United Kingdom, Spain

    Also written Leoní, Léoni

  • Indonesian given name1.8K records spelled Leoni3 spellings in the group

    Most recorded in Indonesia, United States, Philippines, South Africa

    Also written Léoni, Leoní

  • Swahili given name1.2K records spelled Leoni4 spellings in the group

    Most recorded in South Africa, Tanzania, United Kingdom, United States

    Languages: Swahili, Southern Sotho

    Also written Léoni

  • a separate given name746 records spelled Leoni4 spellings in the group

    Most recorded in United States, Italy, United Kingdom, India

    Also written Leoní, Leóni, Léoni

  • Croatian given name678 records spelled Leoni18 spellings in the group

    Most recorded in Croatia, Netherlands, North Macedonia, United Kingdom

    Languages: Croatian, Macedonian, Bulgarian

    Also written Leonie, Леони, Léonie, Leoníe

64 further groups record this spelling and are not listed here.

Grouping is the name graph's, not a register's: two spellings join a group when the evidence links them, so a group is a claim about the records rather than about the people.

Other recorded senses

Leoni is also recorded in 3 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

  • In Italian, do nome lat. Leo; o sobrenome se define com freqüência como Leonis.

    as a nameDicionário dos sobrenomes italianos

  • In German, a female given name, a less common variant of Leonie

    as a wordkaikki.org Wiktionary extract (IPA + transliterations)

  • In Latin, dative singular of leō

    as a wordkaikki.org Wiktionary extract (IPA + transliterations)

Ordered by how much of this spelling's record each language holds, so a sense from a language the name is barely used in sits last rather than first.

Over time

010203020002010202029 · 2004

Show as table
Leoni in Statistik Austria — Vornamen der Geborenen (1984–present), Austria, 1992–2024
Yearrecords
19921
19941
19961
19992
20005
200111
200221
200318
200429
200523
200620
200722
200821
200918
201015
201110
20128
20138
201415
20155
20168
20176
201810
201910
20205
20216
20226
20235
20244

AT Statistik Austria — Vornamen der Geborenen (1984–present)29 years between 1992–2024. One register's own figures, never a sum across registers: two registers counting the same people would double them.

Notable people with this name

1850190019502000Leoni W. Robinson, b. 1851Leoni Iório, b. 1899Leoni Kingsbury, b. 1909Leoni Mendonça, b. 1916Karin Wolff, b. 1947Leoni Jansen, b. 1955Leoni Torres, b. 1977Leoni Kristin Oeffinger, b. 1983Leoni Edenhofer, b. 2000

The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).

Evidence

Attested in 72 sources across 37 countries.

Official registers attesting Leoni
CountryRegisterYearCountRank
BR BrazilIBGE — Nomes (census name API)15K#1,665
BR BrazilIBGE — names by decade (Kaggle mirror)202212K
BR BrazilIBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname)7.5K#1,546
BR BrazilIBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname)4K#1,546
AR ArgentinaRENAPER — Apellidos (person counts, national)1.2K
US United StatesCensus Bureau — Surname Frequency 202020201.1K#23,050
US United StatesCensus Bureau — Surname Frequency 201020101.1K#23,472
US United StatesCensus Bureau — Surname Frequency 200020001.1K#22,723
CH SwitzerlandBFS — Familiennamen der Wohnbevölkerung (surnames)2024609#2,092
AT AustriaStatistik Austria — STATatlas Vornamen WFS (per-name time series 1984–2024)2024314#872
US United StatesCensus Bureau — First Name Frequency 2020 by sex2020312#24,570
SE SwedenSkatteverket — Sök hur många som har ett visst namn (living population)212#5,022

Reference works 7

  • Dictionary of American Family Names
  • Nederlandse FamilienamenBank (Dutch surname bank; ex-Meertens Instituut, now CBG)2007
  • Wikipedia given-name tokens
  • Wikipedia surname tokens
  • Wikidata name items (native-script + romanized given/family names)
  • jeantosti.com — Dictionnaire des noms de famille de France et d'ailleurs (Jean Tosti)
  • Cognomix.it (Nomix s.r.l.) — Italian surname origin dictionary

These works list the name; their figures are licensed and are not reproduced here.

Register rows as of the 2026-09-12 data build · 400 rows in the corpus for this spelling.

Frequently asked questions

How common is the name Leoni?
We estimate roughly 12 thousand people bear Leoni (counting its spellings and scripts) across 13 countries in our records.
In which country does Leoni have the most bearers?
We estimate about 12 thousand people bear Leoni in Brazil, more than in any other country in our records, where it is most often spelled leoni.
Is Leoni a male or female name?
Leoni is a female name in our records. Opposite-gender entries fall within the cross-gender noise we measure in the source data, so we don't report them as usage.
What does the name Leoni mean?
Recorded meaning: probably an altered form of Catalan lleom a nickname meaning ‘like a lion’.
Query this name via API
curl https://api.mondonomo.ai/api/v1/name-graph/leoni

The same payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. Rate-limited for casual use. Bulk access and licensing.

About this data

measured from records inferred from the name graph machine-generated

Data snapshot . Figures are rebuilt periodically and will change.

Statistics are aggregated from the Mondonomo name corpus; related names and etymology are inferred from the name graph; pronunciation and any machine-marked transliterations are model-generated. Read how the numbers are made, including their known failure modes, and where the data comes from.

Reference works we consult — surname dictionaries, official name registers, Wikidata and Wiktionary — are named directly, beside the claims they support. The per-country source counts also include datasets of person records: we publish how many there are and their authority tier, but not their names.

Cite this page Mondonomo, “Leoni”. Data snapshot 2026-09-12.

See how Leoni parses inside a full name →