Jan-Jaap
given name · Latin script
A male name· listed as male by the registers that count names by sex
(measured from records)Officially recorded in 3 countries
/jɑn.jaːp/(machine-generated) pronunciation, model-generated
Jan-Jaap is a male given name written in the Latin script, with more bearers in the Netherlands than in any other country.
- NLNetherlands1 in 57K(measured from records)
- BEBelgium≈1 in 8.3M
- DEGermany≈1 in 11M
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.
- Netherlands (measured from records)
- Record sources
- 40 (measured from records)
- 1 in 57K (inferred from the name graph)
302 people
corpus datasets behind its best-documented spelling
strongest: highest-authority source
Netherlands
measured from records inferred from the name graph
Spellings & scripts
(measured from records)One other spelling is counted as the same name:
Locally spelled Janjaap in US United States.
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
No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.
Where in the world
(measured from records)Jan-Jaap 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.
| Country | Most common spelling | Sources | |||
|---|---|---|---|---|---|
| NL Netherlands | 302 | 1 in 57K | 302 | Jan-Jaap | 40 |
| DE Germany | ≈8 est. | ≈1 in 11M | — | Jan-Jaap | 10 |
| US United States | ≈4 est. | ≈1 in 94M | — | Janjaap | 10 |
| GB United Kingdom | ≈3 est. | ≈1 in 20M | — | Jan-Jaap | 4 |
| BE Belgium | ≈1 est. | ≈1 in 8.3M | — | Jan-Jaap | 3 |
302 people counted by Meertens NVB — Nederlandse Voornamenbank (all-time BRP bearer counts, 2018), counting the spelling jan-jaap. 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: Meertens NVB — Nederlandse Voornamenbank (all-time BRP bearer counts, 2018). 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).
Notable people with this name
(measured from records)- Jan-Jaap Heijb. 1968NLnot in their usual namejournalist from the Netherlands
- Jan-Jaap de Haanb. 1974NLnot in their usual nameDutch politician
- Jan-Jaap Natteb. 1979NLnot in their usual namenetherlandic ice hockey player
- Jan-Jaap SonkeMWnot in their usual nameMalawian politician
- Jan-Jaap Wesselinknot in their usual nameresearcher
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)5 registers and reference works attest this spelling, across 3 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| NL Netherlands | Meertens NVB — Nederlandse Voornamenbank (all-time BRP bearer counts, 2018) | — | 302 | #2,225 |
| NL Netherlands | Meertens NVB — Nederlandse Voornamenbank (live per-name BRP counts, 1790-2017) | — | 224 | #5,106 |
Reference works 1
- Wikidata name items (native-script + romanized given/family names)
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 Jan-Jaap?
- A machine transcription gives /jɑn.jaːp/ (IPA) for Dutch.
- Is Jan-Jaap a male or female name?
- Jan-Jaap is a male name. National registers that list it by sex list it as male: Netherlands (Meertens NVB).
- In which country does Jan-Jaap have the most bearers?
- In the Netherlands, the national register counted about 302 people named Jan-Jaap, more than in any other country we hold, where it is most often spelled Jan-Jaap.
- Where is Jan-Jaap most common?
- Jan-Jaap is densest in the Netherlands, where the national register counts about 1 in 57 thousand people carrying it.
- How common is the name Jan-Jaap?
- In the Netherlands, the national register counted 302 people named Jan-Jaap, about 1 in 57 thousand residents.
What do you want to know about Jan-Jaap?
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/jan-jaapThe 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, “Jan-Jaap”. Data snapshot 2026-10-13.