Regueiro

surname · Latin script

(measured from records)Officially recorded in 9 countries · latest register: BFS, 2024

/ɾɛɡɛiro/(machine-generated) Spanish · model-generated

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Regueiro is a surname written in the Latin script, with more bearers in Spain than in any other country: 4,079 people, counted by INE.

  • UYUruguay1 in 5.2K(measured from records)
  • ESSpain1 in 12K
  • ARArgentina1 in 56K

carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). Countries with no figure are shown too: flat where a national register lists the name without counting it, hatched where only our records hold it. One hue, darker where it is more common; hover a country for its figure.

Spain (measured from records)

4,079 people

Record sources
113 (measured from records)

corpus datasets behind its best-documented spelling

strongest: highest-authority source

1 in 5.2K (inferred from the name graph)

Uruguay

measured from records inferred from the name graph

How to pronounce Regueiro

  • Spanish:/ɾɛɡɛiro/(machine-generated) model-generated
  • Portuguese:/heˈɡe(ɪ̯).ɾo/(recorded in a dictionary) from Wiktionary

Readings marked model-generated were transcribed by a model; the others are quoted from the dictionary named.

Meaning & origin

No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.

Attested across 3 languages in the etymology graph.

Where the surname Regueiro is found

(measured from records)

Regueiro 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 Regueiro is recorded, by country
CountryMost common spellingSources
ES Spain—4,0791 in 12K4.1KRegueiro113
AR Argentina—8101 in 56K810Regueiro51
UY Uruguay#8256461 in 5.2K646Regueiro30
US United States—2761 in 1.2M296Regueiro110
MX Mexico—≈260 est.≈1 in 511K—Regueiro34
VE Venezuela—≈170 est.≈1 in 164K—Regueiro15
CH Switzerland—751 in 112K75Regueiro18

4,079 people counted by INE — Padrón per-token widgets (current living counts, given + apellidos). 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: INE — Padrón per-token widgets (current living counts, given + apellidos); INE — Apellidos más frecuentes (Padrón Municipal); RENAPER — Apellidos (person counts, national); Census Bureau — Surname Frequency 2010; Census Bureau — Surname Frequency 2020; INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public); BFS — Familiennamen der Wohnbevölkerung (surnames). 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 recorded senses

(measured from records)

Regueiro is also recorded in 2 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

  • In Portuguese, synonym of regueira

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

  • In Galician, stream, brook

    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)
19001920194019601980Luis Regueiro, b. 1908Luis Regueiro Urquiola, b. 1943Mario Regueiro, b. 1978

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 Regueiro,Dear Regueiro, (English)
InformalEstimado/a Regueiro,Hello, (English)

Evidence

(measured from records)

14 registers and reference works attest this spelling, across 9 countries.

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

Frequently asked questions

How do you pronounce Regueiro?
It depends on the language: in Spanish /ɾɛɡɛiro/; in Portuguese /heˈɡe(ɪ̯).ɾo/ (Wiktionary). Transcriptions are machine-generated except where a dictionary is named.
Which countries have the most people with the surname Regueiro?
In Spain, the national register counted about 4.1 thousand people named Regueiro, more than in any other country we hold, where it is most often spelled regueiro. After it come Argentina, Uruguay, United States and Mexico; the country table on this page ranks them.
Where is Regueiro most common?
Measured as a share of residents rather than as a count, Regueiro is densest in Uruguay — about 1 in 5.2 thousand people — even though Spain holds more of our records for it.
How common is the name Regueiro?
In Spain, the national register counted 4,079 people named Regueiro, about 1 in 12 thousand residents.
How common is Regueiro compared with other names?
In Uruguay, Regueiro is the 825th most common surname of 57,630 surnames recorded there.

What do you want to know about Regueiro?

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

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, “Regueiro” — ranked 1282nd in Spain (INE). Data snapshot 2026-10-13.

See how Regueiro parses inside a full name →