The Kwasnik surname
In the 2010 U.S. Census, 550 people carried this name — #39,887 among all U.S. surnames, about 1 in every 526,300 people counted. That is up 4% from 529 in 2000.
In Poland’s population register
3,140 people named Kwasnik have a registered home in Poland.
Of the 3,432 in Poland’s national register, these are the ones with a permanent address on file. They live in all 16 of Poland’s voivodeships, most of all in Masovian.
Where it concentrates, on the mapWhere they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In France’s civil register
France’s register of deaths holds 56 people named Kwasnik.
20 of them were born outside France. Those born in France came from 13 départements, most often Pas-de-Calais.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
Who carried it
People named Kwasnik,
with a public archive behind them.
-
Adam Kwasnik 1983– · association football player -
Walter Kwasnik 1883– · military personnel
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Oskar K. Rabinowicz 1902–1969 · politician
-
Anna Kvasznyik 1926–
Wikidata and Wikimedia Commons (CC0).
Nearby in the index
Surnames next to Kwasnik.
- Kusz 271 · U.S. census
- Kuta 1,212 · U.S. census
- Kutter 445 · U.S. census
- Kuttler 292 · U.S. census
- Kuzma 2,588 · U.S. census
- Kwasniewski 723 · U.S. census
- Kwiatek 564 · U.S. census
- Kwiatkowski 6,377 · U.S. census
- Kwiecien 529 · U.S. census
- Ky 1,042 · U.S. census
- La 6,655 · U.S. census
- Laas 299 · U.S. census
When the index is not enough
This page says where Kwasnik is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.