The Viani surname
In the 2010 U.S. Census, 299 people carried this name — #66,164 among all U.S. surnames, about 1 in every 1,000,000 people counted. That is down 8% from 325 in 2000.
In Argentina’s national register
At least 468 people named Viani 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 Buenos Aires Province.
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 54 people named Viani.
9 of them were born outside France. Those born in France came from 10 départements, most often Paris.
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
29 people named Viani live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Vaud.
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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
Who carried it
People named Viani,
with a public archive behind them.
-
Giuseppe Viani d. 1783
-
Alessandro Viani 1520–1580 · typographer
-
Sostegno Viani 1690–1739 · priest
-
Giorgio Viani 1762–1816 · historian
-
Serafino Viani 1768–1803 · painter
-
Prospero Viani 1812–1892 · historian
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Viani.
When the index is not enough
This page says where Viani 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.