Rieko
given name · Latin script
Recorded for both men and women· direction only, no split published
/ɹikoʊ/(machine-generated) pronunciation, model-generated
Rieko is a given name written in the Latin script, most frequently recorded in Japan.
- JPJapan
- USUnited States
- AUAustralia
Where the name is found, darker where our sources hold more of it. No national register counts its bearers anywhere we hold data, so the map carries no figures. One hue, darker where it is more common; hover a country for its figure.
Meaning & origin
No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.
Attested in 1 language in the etymology graph.
Where in the world(measured from records)
Recorded in:
No national register we accept counts this name’s bearers, so the page lists where it is found and publishes no figure.
Country figures for a list of names, at full precision, are available under licence rather than by scraping this table (how that works).
Notable people with this name(measured from records)
- Rieko Nakagawab. 1935JPJapanese children's literature writer and lyricist (1935-2024)
- Rieko Matsuurab. 1958JPJapanese novelist
- Rieko Ogawab. 1961JPJapanese seiyū
- Rieko Teradab. 1961JPJapanese announcer
- Rieko Saibarab. 1964JPJapanese manga artist
- Rieko Akatsukab. 1965JPJapanese businessperson
- Rieko Takahashib. 1967JPJapanese actress and voice actress
- Rieko Nakayamab. 1972JPJapanese seiyū
- Rieko Miurab. 1973JPJapanese singer and actress
- Rieko Ayumib. 1981JPJapanese actress
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)
A formal English salutation is built on the surname, so it needs a full name — on its own, a first name only supports the informal form.
Evidence(measured from records)
Attested in 16 sources across 11 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| US United States | Census Bureau — First Name Frequency 2020 by sex | 2020 | 404 | #23,638 |
| NL Netherlands | Meertens NVB — Nederlandse Voornamenbank (all-time BRP bearer counts, 2018) | — | 68 | #5,567 |
| NL Netherlands | Meertens NVB — Nederlandse Voornamenbank (live per-name BRP counts, 1790-2017) | — | 39 | #13,584 |
| BR Brazil | IBGE — names by decade (Kaggle mirror) | 2022 | 28 | — |
| BR Brazil | IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname) | — | 28 | #99,072 |
| FI Finland | DVV — Nimipalvelu (Finnish name service, per-name lookup) | — | 20 | #26,309 |
| FI Finland | DVV — Nimipalvelu (Finnish name service, per-name lookup) | — | 20 | #25,394 |
| NZ New Zealand | DIA — Baby name popularity (1900–present) | 2020 | 12 | — |
| US United States | Census Bureau — First Name Frequency 2020 by sex | 2020 | 9 | #23,638 |
| SE Sweden | Skatteverket — Sök hur många som har ett visst namn (living population) | — | 4 | #48,166 |
| AR Argentina | RENAPER — births 1922–2015 (Kaggle mirror) | 1958 | 3 | — |
| AR Argentina | RENAPER — births 1922–2015 (Kaggle mirror) | 1954 | 2 | — |
Reference works 2
- Dictionary of American Family Names
- Wikipedia given-name tokens
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
- How do you pronounce Rieko?
- A machine transcription gives /ɹikoʊ/ (IPA) for Japanese.
- Is Rieko a male or female name?
- Rieko is recorded for both men and women. We don't publish a percentage split: a record's gender belongs to the person and is attached to every given name on that record, so names in cultures where a name string also carries a parent's or spouse's given name pick up large cross-gender counts.
- In which country does Rieko have the most bearers?
- Rieko is most frequently recorded in Japan.
What do you want to know about Rieko?
Nobody replies to these one by one, but what readers ask decides what these pages answer next.
Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/riekoThe 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, “Rieko”. Data snapshot 2026-10-10.