The Ratti surname
In the 2010 U.S. Census, 1,326 people carried this name — #20,139 among all U.S. surnames, about 1 in every 222,200 people counted. That is up 57% from 845 in 2000.
What the name means
The meaning of the Ratti surname
Patronymic or plural form of Ratto.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Ratti» (Italian), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Argentina’s national register
At least 1,599 people named Ratti 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 Switzerland’s population statistics
229 people named Ratti live in Switzerland.
They live in 10 of Switzerland’s 26 cantons, most of all in Ticino.
Where it concentrates, on the mapWhere 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.
In France’s civil register
France’s register of deaths holds 181 people named Ratti.
40 of them were born outside France. Those born in France came from 24 départements, most often Alpes-Maritimes.
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 the Nordic population registers
36 people named Ratti is counted in Finland.
Finland counts its citizens, at home or abroad.
Counted, by country
Digital and Population Data Services Agency (DVV), Finland, surname statistics, August 2026 — CC BY 4.0.
Who carried it
People named Ratti,
with a public archive behind them.
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Bartolomeo Ratti 1565–1634 · composer
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Lorenzo Ratti 1590–1630 · composer
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Giovanni Agostino Ratti 1699–1775 · painter
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Angelo Maria Ratti 1709–1775 · entrepreneur
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Andrea Ratti 1712–1779 · Catholic priest
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Carlo Giuseppe Ratti 1737–1795 · artist
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Ratti.
- Ratajczak 1,286 · U.S. census
- Ratajczyk 395 · U.S. census
- Rateau 223 · U.S. census
- Ratel 169 · U.S. census
- Rath 6,747 · U.S. census
- Ratte 336 · U.S. census
- Rattin 138 · U.S. census
- Ratto 956 · U.S. census
- Ratton 165 · U.S. census
- Raty 134 · U.S. census
- Ratzel 287 · U.S. census
- Rau 8,961 · U.S. census
When the index is not enough
This page says where Ratti 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.