Jansén
surname · Latin script
(measured from records)Officially recorded in 3 countries
Jansén is a surname written in the Latin script, with more bearers in South Africa than in any other country, where it is the 56th most common surname. Recorded meaning: From Jan + -sen; equivalent to English Johnson.
- NLNetherlands1 in 235(measured from records)
- ZASouth Africa≈1 in 850
- NONorway1 in 900
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.
- South Africa (inferred from the name graph)
- Record sources
- 436 (measured from records)
- 1 in 235 (inferred from the name graph)
≈76,000 people, est.
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 Jansen in US United States, NL Netherlands, DE Germany and 2 more.
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)From Jan + -sen; equivalent to English Johnson.
Cited for this meaning 3
- Dictionary of American Family Names
- The Oxford Dictionary of Family Names in Britain and Ireland
- Wiktionary
Attested across 23 languages in the etymology graph.
Where in the world
(measured from records)Jansén 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 | ||||
|---|---|---|---|---|---|---|
| ZA South Africa | #56 | ≈76,000 est. | ≈1 in 845 | — | Jansen | 121 |
| NL Netherlands | #2 | 73,533 | 1 in 235 | 74K | Jansen | 188 |
| DE Germany | #96 | ≈42,000 est. | ≈1 in 2K | listed | Jansen | 212 |
| US United States | — | 16,596 | 1 in 20K | 17K | Jansen | 436 |
| BR Brazil | — | ≈6,200 est. | ≈1 in 34K | 1.8K | — | 5 |
| NO Norway | #151 | 6,076 | 1 in 900 | 6.1K | Jansen | 85 |
| GL Greenland | — | 54 | 1 in 1.1K | 54 | — | 3 |
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: Census Bureau — Surname Frequency 2010; CBG Familienamenbank — Dutch surname bearer counts (GBA/BRP 2007); SSB — Navnesøk (name-search service, living population); IBGE — Nomes (census name API); Statistics Greenland — Surnames (NAXT1). 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).
Evidence
(measured from records)No register attests this spelling yet
Register rows as of the 2026-10-09 data build.
Frequently asked questions
- What does the name Jansén mean, and where does it come from?
- From Jan + -sen; equivalent to English Johnson. Recorded by Dictionary of American Family Names and The Oxford Dictionary of Family Names in Britain and Ireland and 1 other source.
- In which country does Jansén have the most bearers?
- Mondonomo estimates about 76 thousand people named Jansén in South Africa, more than in any other country we hold, where it is most often spelled jansen.
- Where is Jansén most common?
- Measured as a share of residents rather than as a count, Jansén is densest in the Netherlands — about 1 in 235 people — even though South Africa holds more of our records for it.
- How common is the name Jansén?
- In the Netherlands, the national register counted 73,533 people named Jansén in 2007, about 1 in 235 residents.
- How common is Jansén compared with other names?
- In South Africa, Jansén is the 56th most common surname of 285,788 surnames recorded there.
What do you want to know about Jansén?
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/jans%C3%A9nThe 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, “Jansén” — the 56th most common surname in South Africa. Data snapshot 2026-10-13.