Janecek
surname · Latin script
Meaning: from Janek, a pet form of the personal name Jan, a vernacular form of Greek lohannes (see John)
Recorded for both men and women· direction only, no split published
/ˈjænɪtʃɛk/(machine-generated) pronunciation, model-generated
Janecek is a surname written in the Latin script, with more bearers in China than in any other country.
- USUnited States1 in 276K(measured from records)
- CZCzechia1 in 2.8K
- SKSlovakia1 in 11K
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.
- China (inferred from the name graph)
- Sources
- 213 (measured from records)
- 1 in 2.8K (inferred from the name graph)
≈11,000 people, est.
Highest-authority source
Czechia
measured from records inferred from the name graph
Meaning & origin(measured from records)
from Janek, a pet form of the personal name Jan, a vernacular form of Greek lohannes (see John).
Sources 1
- Dictionary of American Family Names
Attested across 9 languages in the etymology graph.
Where in the world(measured from records)
Janecek 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 | ||||
|---|---|---|---|---|---|---|
| CN China | — | ≈11,000 est. | ≈1 in 132K | — | Janecek | 1 |
| CZ Czechia | #853 | 3,874 | 1 in 2.8K | 3.9K | Janecek | 64 |
| US United States | — | 1,207 | 1 in 276K | 1.2K | Janecek | 213 |
| SK Slovakia | — | 498 | 1 in 11K | 498 | Janecek | 23 |
| DE Germany | — | ≈230 est. | ≈1 in 342K | — | Janecek | 59 |
| AT Austria | — | ≈170 est. | ≈1 in 53K | — | Janecek | 36 |
| IE Ireland | — | ≈31 est. | ≈1 in 167K | — | Janecek | 2 |
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; Census Bureau — Surname Frequency 2020; MVČR — living population register 2017; naše jména — 2016 MVČR snapshot; JÚĽŠ SAV — Databáza priezvisk na Slovensku (surname database, 1995 census). 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)
- Johann Janecekb. 1881ATAustrian politician and trade unionist (1861-1932)
- Friedel Janecekb. 1905DEGerman politician
- Clarence Janecekb. 1911USAmerican football player (1911-1990)
- Gerald Janecekb. 1945USAmerican philologist
- Dieter Janecekb. 1976DEGerman politician
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)
Evidence(measured from records)
Attested in 15 sources across 6 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| US United States | Census Bureau — Surname Frequency 2020 | 2020 | 1.2K | #21,643 |
| US United States | Census Bureau — Surname Frequency 2010 | 2010 | 1.2K | #21,609 |
| US United States | Census Bureau — Surname Frequency 2000 | 2000 | 1.2K | #20,727 |
| CZ Czechia | MVČR — living population register 2017 | — | 3 | #153,685 |
| CZ Czechia | KdeJsme.cz — četnost jmen a příjmení (MVČR population register front-end) | — | 3 | #22,227 |
| US United States | wru Name Dictionary — US surnames, Census 2010 subset (Khanna et al.) | — | — | — |
Reference works 5
- Dictionary of American Family Names
- Nederlandse FamilienamenBank (Dutch surname bank; ex-Meertens Instituut, now CBG)2007
- Wikipedia surname tokens
- Wikidata name items (native-script + romanized given/family names)
- Rymut, Słownik nazwisk współcześnie w Polsce używanych (10 vols, IJP PAN, Kraków 1992–1994) — every Polish surname in the PESEL register at the end of 1990, with bearer counts nationally and per voivodeship1990
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
- What does the name Janecek mean, and where does it come from?
- from Janek, a pet form of the personal name Jan, a vernacular form of Greek lohannes (see John). Recorded by Dictionary of American Family Names.
- How do you pronounce Janecek?
- A machine transcription gives /ˈjænɪtʃɛk/ (IPA) for English.
- In which country does Janecek have the most bearers?
- Mondonomo estimates about 11 thousand people named Janecek in China, more than in any other country we hold, where it is most often spelled janecek.
- Where is Janecek most common?
- Measured as a share of residents rather than as a count, Janecek is densest in Czechia — about 1 in 2.8 thousand people — even though China holds more of our records for it.
- How common is the name Janecek?
- In Czechia, the national register counted 3,874 people named Janecek, about 1 in 2.8 thousand residents.
- How common is Janecek compared with other names?
- In Czechia, Janecek is the 853rd most common surname of 114,573 surnames recorded there.
What do you want to know about Janecek?
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/janecekThe 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, “Janecek” — the 853rd most common surname in Czechia. Data snapshot 2026-10-10.