Zajac
surname · Latin script
Meaning: Polish/Wendish 'hare'
(measured from records)Officially recorded in 22 countries · latest register: dane.gov.pl, 2026
/zajat͡s/(machine-generated) Polish · model-generated
Zajac is a surname written in the Latin script, with more bearers in Poland than in any other country, where it is the 15th most common surname.
- PLPoland1 in 717(measured from records)
- SKSlovakia1 in 2.6K
- BZBelize≈1 in 12Kfew records
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.
- Poland (measured from records)
- Record sources
- 314 (measured from records)
- 1 in 717 (inferred from the name graph)
53,382 people, 2026
corpus datasets behind its best-documented spelling
strongest: highest-authority source
Poland
measured from records inferred from the name graph
Spellings & scripts
(measured from records)One other spelling is counted as the same name:
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)Polish/Wendish 'hare'
Cited for this meaning 1
- Deutsche Namenkunde: Unsere Familiennamen nach ihrer Entstehung und Bedeutung
Attested across 19 languages in the etymology graph.
Where the surname Zajac is found
(measured from records)Zajac 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 | ||||
|---|---|---|---|---|---|---|
| PL Poland | #15 | 53,382 | 1 in 717 | 27K | Zajac | 128 |
| US United States | — | 5,270 | 1 in 63K | 5.3K | Zajac | 314 |
| SK Slovakia | #133 | 2,072 | 1 in 2.6K | 2.1K | Zajac | 54 |
| GB United Kingdom | — | ≈1,200 est. | ≈1 in 59K | 345 | Zajac | 94 |
| DE Germany | — | ≈1,200 est. | ≈1 in 72K | — | Zajac | 86 |
| CZ Czechia | — | 627 | 1 in 17K | 627 | Zajac | 45 |
| NO Norway | — | 392 | 1 in 14K | 392 | Zajac | 9 |
| BZ Belize | #207 | ≈34 est. | ≈1 in 12K | — | Zajac | 1 |
53,382 people counted by dane.gov.pl — PESEL living persons (surnames), 2026, counting the spelling zając. 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; dane.gov.pl — PESEL living persons (surnames); Surnames of England and Wales (taliesin-arlein.net, Sept 2002 electoral register); JÚĽŠ SAV — Databáza priezvisk na Slovensku (surname database, 1995 census); MVČR — living population register 2017; SSB — Navnesøk (name-search service, living population). 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)Zajac 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 Serbo-Croatian, (regional, Torlakian) hare, rabbit
as a wordkaikki.org Wiktionary extract (IPA + transliterations)
In hsb, hare
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)- Rudolf Zajacb. 1951SKSlovak politician
- Thomas Zajacb. 1985ATAustrian sailor
- Travis Zajacb. 1985CACanadian ice hockey player
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)35 registers and reference works attest this spelling, across 22 countries.
Register rows as of the 2026-10-09 data build.
Frequently asked questions
- What does the name Zajac mean, and where does it come from?
- Polish/Wendish 'hare' Recorded by Deutsche Namenkunde: Unsere Familiennamen nach ihrer Entstehung und Bedeutung.
- How do you pronounce Zajac?
- In Polish /zajat͡s/. Transcriptions are machine-generated except where a dictionary is named.
- Which countries have the most people with the surname Zajac?
- In Poland, the national register counted about 53 thousand people named Zajac, more than in any other country we hold, where it is most often spelled zajac. After it come United States, Slovakia, United Kingdom and Germany; the country table on this page ranks them.
- Where is Zajac most common?
- Zajac is densest in Poland, where the national register counts about 1 in 717 people carrying it.
- How common is the name Zajac?
- In Poland, the national register counted 53,382 people named Zajac in 2026, about 1 in 717 residents.
- How common is Zajac compared with other names?
- In Poland, Zajac is the 15th most common surname of 240,840 surnames recorded there.
What do you want to know about Zajac?
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/zajacThe 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, “Zajac” — the 15th most common surname in Poland. Data snapshot 2026-10-13.