Chamorro

surname · Latin script

Meaning: closely cropped man. The word is first attested in the mid-14th cent, and is of unknown origin, possibly a survi¬ val of a pre-Roman word with cogns

Recorded for both men and women· direction only, no split published

/t͡ʃamoro/(machine-generated) pronunciation, model-generated

Chamorro is a surname written in the Latin script, with more bearers in Argentina than in any other country.

rarermore common
  • PYParaguay≈1 in 556(inferred from the name graph)
  • NINicaragua≈1 in 1.2K
  • ECEcuador1 in 1.5K

carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). One hue, darker where it is more common; hover a country for its figure.

Argentina (measured from records)

27,582 people

2 (measured from records)

recorded for this name

Sources
246 (measured from records)

Highest-authority source

≈1 in 556 (inferred from the name graph)

Paraguay, est.

measured from records inferred from the name graph

Spellings & scripts(measured from records)

ChamorroLatin(measured from records)
ЧаморроCyrillic(measured from records)

Spellings marked ● are how people bearing the name write it in our records, and ○ marks a model's transliteration; click a spelling to open its page.

Meaning & origin(measured from records)

closely cropped man. The word is first attested in the mid-14th cent, and is of unknown origin, possibly a survi¬ val of a pre-Roman word with cogns. in Basque. In the Middle Ages it was applied as an ethnic nickname to the Portuguese, who wore their hair short in contrast with the Castilian custom of allowing it to attain its natural length.

Sources 1

  • A dictionary of surnames

Attested in 1 language in the etymology graph.

Where in the world(measured from records)

Chamorro counted together with the spellings and other-language forms grouped with it. Where a register counted another spelling, the row names it.

Sorted by bearers: national registers' counts, and Mondonomo's estimates (≈, est.) where no register counts.

Where Chamorro is recorded, by country
CountryMost common spellingSources
AR Argentina#26727,5821 in 1.6K28KChamorro92
PY Paraguay#105≈13,000 est.≈1 in 556—Chamorro54
CO Colombia#414≈12,000 est.≈1 in 4K11Chamorro105
ES Spain#39512,0691 in 4.1K12KChamorro163
EC Ecuador#32911,4151 in 1.5K11KChamorro51
NI Nicaragua#165≈5,200 est.≈1 in 1.2K—Chamorro48
UY Uruguay—1,2821 in 2.6K1.3K—24

27,582 people counted by RENAPER — Apellidos (person counts, national). Exact figures are national registers' own counts, while figures marked ≈ and est. are Mondonomo’s estimates, counted from our sources and calibrated against those registers; hover one for how far to trust it in that country. A dash means neither exists.

Registers cited: RENAPER — Apellidos (person counts, national); INE — Padrón per-token widgets (current living counts, given + apellidos); INE — Apellidos más frecuentes (Padrón Municipal); the co-datosgov-candidates register; INEC — civil registry names; INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public). Figures without a register are Mondonomo estimates; see Methodology.

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

Other names spelled this way(inferred from the name graph)

Chamorro is also recorded as 2 other names, grouped separately because the records behind them do not connect to the one described above.

  • English surname5 spellings in the group

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

    Languages: English, Dutch

    Also written Chämorrö, Chämörrö

  • French surname3 spellings in the group

    Most recorded in France, United States, Spain, Peru

    Languages: French, Catalan

    Also written Chämörrö

45 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(measured from records)

Chamorro is also recorded in 4 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

  • In English, An indigenous native islander of the Mariana Islands consisting of Guam and Northern Mariana Islands of Saipan, Rota, and Tinian.

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

  • In English, Violetta, Nicaraguan politician;

    as a namePronouncing Dictionary of Proper Names

  • In English, lang., people, Guam

    as a namePronouncing Dictionary of Proper Names

  • In ch, Chamorro (language)

    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.

Notable people with this name(measured from records)

18001850190019502000Fruto Chamorro, b. 1804Pedro Antonio Pimentel, b. 1830Diego Manuel Chamorro Bolaños, b. 1861Emiliano Chamorro Vargas, b. 1871Eusebio Chamorro, b. 1922Pedro Joaquín Chamorro Cardenal, b. 1924Violeta Barrios de Chamorro, b. 1929Luis Nery Caballero, b. 1990Abraham Mateo, b. 1998

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).

How to address them(machine-generated)

FormalEstimado/a Chamorro,Dear Chamorro, (English)
InformalEstimado/a Chamorro,Hello, (English)

Evidence(measured from records)

Attested in 29 sources across 17 countries.

Official registers attesting Chamorro
CountryRegisterYearCountRank
AR ArgentinaRENAPER — Apellidos (person counts, national)—28K—
ES SpainINE — Apellidos más frecuentes (Padrón Municipal)—12K#455
ES SpainINE — Padrón per-token widgets (current living counts, given + apellidos)—12K#455
EC EcuadorINEC — civil registry names202411K#381
EC EcuadorINEC — Visualizador de Nombres y Apellidos, per-token query API (1900–2024)—11K—
UY UruguayINE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public)—1.3K—
EC EcuadorINEC — Visualizador de Nombres y Apellidos, per-token query API (1900–2024)1995231—
EC EcuadorINEC — Visualizador de Nombres y Apellidos, per-token query API (1900–2024)1998213—
EC EcuadorINEC — Visualizador de Nombres y Apellidos, per-token query API (1900–2024)2011209—
EC EcuadorINEC — Visualizador de Nombres y Apellidos, per-token query API (1900–2024)1985205—
EC EcuadorINEC — Visualizador de Nombres y Apellidos, per-token query API (1900–2024)1999203—
EC EcuadorINEC — Visualizador de Nombres y Apellidos, per-token query API (1900–2024)1986202—

Reference works 4

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

Register rows as of the 2026-10-09 data build.

Frequently asked questions

Where does the name Chamorro come from?
closely cropped man. The word is first attested in the mid-14th cent, and is of unknown origin, possibly a survi¬ val of a pre-Roman word with cogns. in Basque. Recorded by A dictionary of surnames.
How do you pronounce Chamorro?
A machine transcription gives /t͡ʃamoro/ (IPA) for Spanish.
What does the name Chamorro mean?
Recorded meaning: closely cropped man. The word is first attested in the mid-14th cent, and is of unknown origin, possibly a survi¬ val of a pre-Roman word with cogns.
In which country does Chamorro have the most bearers?
In Argentina, the national register counted about 28 thousand people named Chamorro, more than in any other country we hold, where it is most often spelled chamorro.
How common is the name Chamorro?
In Argentina, the national register counted 27,582 people named Chamorro, about 1 in 1.6 thousand residents.
How common is Chamorro compared with other names?
In Argentina, Chamorro is the 267th most common surname of 398,256 surnames recorded there.

What do you want to know about Chamorro?

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Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/chamorro

The payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. It takes a free API key (1,000 requests a day), which returns what this page shows everyone; the full country table, every register citation and the year-by-year series come with a licensed key, as does bulk access.

About this data

measured from records inferred from the name graph machine-generated

These figures come from the data snapshot of and will change as it is rebuilt.

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, “Chamorro” — the 267th most common surname in Argentina. Data snapshot 2026-10-10.

See how Chamorro parses inside a full name →