The Antoniazzi surname
In the 2010 U.S. Census, 149 people carried this name — #116,829 among all U.S. surnames, about 1 in every 2,000,000 people counted. That is up 9% from 137 in 2000.
In Argentina’s national register
At least 663 people named Antoniazzi live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Santa Fe.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 199 people named Antoniazzi.
71 of them were born outside France. Those born in France came from 29 départements, most often Moselle.
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.
In Switzerland’s population statistics
101 people named Antoniazzi live in Switzerland.
They live in 11 of Switzerland’s 26 cantons, most of all in Zurich.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Antoniazzi.
- Anton 6,823 · U.S. census
- Antona 107 · U.S. census
- Antonelli 4,518 · U.S. census
- Antonetti 919 · U.S. census
- Antoni 347 · U.S. census
- Antoniak 300 · U.S. census
- Antonietti 123 · U.S. census
- Antonini 940 · U.S. census
- Antonio 15,461 · U.S. census
- Antonioli 248 · U.S. census
- Antoniotti 134 · U.S. census
- Antonucci 3,441 · U.S. census
When the index is not enough
This page says where Antoniazzi 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.