This list includes 64 Italian last names that start with I, from “Iacchetti” to “Izzo”. These surnames often derive from given names, nicknames, places, or occupations and show regional patterns across Italy. Use this list for genealogy, writing, or quick reference when researching Italian family names.
Italian last names that start with I are family names of Italian origin beginning with the letter I. Many became hereditary in the late Middle Ages; for example, the entertainer Enzo Iacchetti bears one of these names.
Below you’ll find the table with Surname, Meaning & origin, Region / variants, and Notable people.
Surname: The family name as written, so you can match records, verify spellings, and search for regional variants across databases.
Meaning & origin: Concise etymology and origin, helping you understand roots, possible translations, and whether the name is patronymic, occupational, or locative.
Region / variants: Regional distribution and common spelling variants, so you can narrow searches to provinces and identify alternate forms.
Notable people: Names of prominent individuals who bear the surname, giving context and leads for further biographical research.
Italian last names that start with I
| Surname | Meaning | Region | Variants |
|---|---|---|---|
| Iacchetti | Diminutive of Giacomo (James) | Lombardy, Northern Italy | Iachetti |
| Iacobelli | Son of Giacobbe (Jacob) | Campania, Lazio | Iacobello, Iacobuelli |
| Iacobucci | Son of Giacobbe (Jacob) | Campania, Lazio | Iacobuccio, Iacobucco |
| Iacono | From Giacomo family form | Sicily, Calabria | Iaconi, Iacono |
| Iacopino | Little Giacopo (James) | Tuscany, Emilia-Romagna | Iacopo, Iacopini |
| Iacopini | Descendant of Iacopo | Tuscany | Iacopino, Iacopi |
| Iacomelli | Variant of Iacomello (Jacob) | Central Italy | Iacomello, Iacomello |
| Iacuzzi | From Iacuzzo, diminutive of Giacomo | Northern/Southern Italy | Iacuzzo, Jacuzzi |
| Ialongo | Probably from personal name Alongo | Sicily | Alongo |
| Iachini | From Iac(h)ino, diminutive of Giacomo | Central Italy (Marche, Tuscany) | Iachino |
| Iacobone | Augmented form of Iacobo | Northern/Central Italy | Iacoboni, Iacobone |
| Iannelli | From Ianni, patronymic | Campania, Southern Italy | Ianni, Iannello |
| Ianni | Form of Giovanni (John) | Campania, Puglia | Iannuzzi, Iannotta |
| Iannone | Big/augmented Ianni | Campania, Abruzzo | Iannoni |
| Iannucci | From Ianno (Giovanni) | Southern Italy | Iannuzzi, Iannuccio |
| Iannaccone | Compound patronymic from Ianno | Campania | Iannaconi |
| Iannotta | Diminutive/variant of Ianni | Campania | Iannotta, Ianni |
| Iannuzzi | Variant of Iannucci/Ianni | Campania | Iannucci, Iannuzzi |
| Iavarone | Unclear; likely personal nickname | Campania | Iavaroni |
| Ibba | Possibly Sardinian plant-name or nickname | Sardinia | Ibba |
| Ierna | Possibly from ‘Gherna’ or Germanic name | Sicily | Hierna |
| Iezzi | Diminutive of Ieo/Gaio? (local) | Central/Southern Italy | Iezzo |
| Iervolino | From Germanic personal name (Herb-) via local forms | Campania (Naples) | Iervolini |
| Ippolito | From Greek Hippolytos (horse freer) | Southern Italy, Sicily | Ippoliti |
| Ippoliti | Plural/patronymic of Ippolito | Central/Southern Italy | Ippolito |
| Irace | From Arabic or Greek roots; surname | Sicily | Iraci, Irazzo |
| Iraci | Variant of Irace | Sicily | Irace |
| Isgrò | From Greek ‘ischrós’ (strong) | Sicily | Isgrò (no accent variants) |
| Isola | Island | Northern and Central Italy | D’Isola, Della Isola |
| Isotti | From Isotta (female name) or Isidore | Tuscany | Isotta |
| Iuliano | Latinized form of Giuliano | Campania | Giuliano (variant) |
| Iuliani | Patronymic of Iuliano | Campania | Giuliani, Iuliano |
| Iurato | From Latin ‘iuratus’ (sworn) | Apulia, Campania | Giurato |
| Iurlaro | Calabrian/Apulian dialectal surname | Calabria, Puglia | Giurlaro |
| Iovane | From Giovane (young) or Giovanni | Campania | Giovane, Iovanelli |
| Iovino | From Iov-/Giov- with suffix -ino | Campania | Giovino |
| Iovene | From personal name Iovinus or Jovianus | Campania | Giovene |
| Iommi | Probable Lombardized form of Giommi | Tuscany/Lombardy | Iomm(i) |
| Iozzi | Patronymic from Io/Jo (Giovanni forms) | Central/Southern Italy | Iozzo |
| Izzo | Possibly from ‘izzo’ diminutive or nickname | Campania | Izzi |
| Ilardi | Probably from sign of profession or locale | Campania | Ilardo |
| Ilardo | Variant of Ilardi | Campania | Ilardi |
| Iodice | From medieval personal name ‘Iodicus’ | Campania | Iodici |
| Imbriani | From Imbria or Umbrian origin | Campania | Imbriano |
| Imbriaco | From Italian ‘imbriaco’ (drunk) as nickname | Sicily | Imbriaci |
| Imparato | From Latin ‘imparatus’ (prepared) or nickname | Campania | Imparati |
| Impellizzeri | Likely from ‘pelle’ (skin) or trade | Sicily | Impellizzero, Impellizzieri |
| Incardona | Topographic or patronymic of Sicilian origin | Sicily | Incardoni |
| Indelicato | Not delicate (nickname) | Sicily | Indelicati |
| Indiani | From ‘Indiano’ (Indian) or merchant nickname | Sicily, Naples | Indiano |
| Infante | From Latin ‘infans’ (child) or title | Campania, Sicily | Infanti |
| Infantino | Little infant or patronymic of Infante | Sicily, Calabria | Infanti |
| Ingrassia | From ‘ingrassare’ (to fatten) or nickname | Sicily | Ingrassio |
| Ingoglia | From personal name or dialectal root | Sicily | Ingoglia (variants limited) |
| Ingrosso | From ‘ingrosso’ (wholesale) or locality | Calabria, Sicily | Ingrossi |
| Ingrosso | (see above) | — | — |
| Innocenti | From personal name Innocenzo | Tuscany, Central Italy | Innocente, Innocenzo |
| Iucci | Diminutive/pet form of Iuvo/Ivo | Tuscany | Iuci |
| Iudica | From Latin ‘iudex’ (judge) via dialect | Sicily | Iudice, Giudica |
| Iudice | Variant of Iudica (judge) | Sicily | Giudice, Iudica |
| Iuppa | Calabrian surname of uncertain origin | Calabria | Iuppo |
| Iuzzolino | Diminutive family form in Campania | Campania | Iuzzolo, Iuzzolini |
| Iacovelli | Variant of Iacobelli | Lazio, Campania | Iacovello |
| Iacovitti | Derived from Iacobus patronymic | Southern Italy | Iacovitto |
Descriptions
Iacchetti
Pet form of Giacomo; concentrated in Lombardy. Etymology: diminutive of Giacomo. Notable: Enzo Iacchetti (comedian, b.1952).
Iacobelli
Patronymic from biblical Giacobbe; common in southern/central Italy. Often indicates families deriving from an ancestor Jacob.
Iacobucci
Southern patronymic from Giacobbe. Etymology: diminutive/patronymic. Found in diaspora communities.
Iacono
Southern Sicilian/Calabrian form related to Giacomo. Etymology: medieval vernacular of Giacomo.
Iacopino
Diminutive of Iacopo/Giacopo, seen in central Italy. Indicates “young Giacopo” origins.
Iacopini
Patronymic from Iacopo (Giacopo). Common in Tuscany and Emilia regions.
Iacomelli
Latinized patronymic from Iacobus; appears in archival records across central Italy.
Iacuzzi
Diminutive form of Giacomo; notable diaspora spelling “Jacuzzi” linked to inventors. Regional: North and South.
Ialongo
Sicilian surname with uncertain medieval origin; concentrated in eastern Sicily.
Iachini
Derived from a pet form of Giacomo. Notable: Attilio Iachini (football coach, b.1961).
Iacobone
Regional enlargement of Jacob-derived name; recorded in Veneto and Lombardy.
Iannelli
Derived from Ianni (Giovanni); very common in Naples area. Patronymic family name.
Ianni
Southern Italian form of Giovanni; widespread in the Mezzogiorno.
Iannone
Augmentative/patronymic variant of Ianni; notable motorcycle racer Andrea Iannone (b.1989).
Iannucci
Southern patronymic of Giovanni; seen in Calabria and Campania. Notable: Armando Iannucci (satirist, b.1963).
Iannaccone
Neapolitan patronymic; often marks extended family lines from a Giovanni ancestor.
Iannotta
Neapolitan diminutive of Giovanni; common in Naples and Caserta provinces.
Iannuzzi
South-Italian patronymic/diminutive cluster linked to Giovanni; concentrated in Salerno area.
Iavarone
Neapolitan surname attested in archival records; local nickname origin.
Ibba
Short Sardinian surname; regionally concentrated in central Sardinia.
Ierna
Sicilian surname with medieval roots; found in Palermo province.
Iezzi
Apulian-Calabrian surname; etymology uncertain, locally concentrated.
Iervolino
Neapolitan surname with Lombard/Norman-era roots. Notable: Andrea Iervolino (film producer, b.1987).
Ippolito
Classic surname derived from Greek personal name; common in Sicily and Campania.
Ippoliti
Patronymic form indicating descent from an ancestor called Ippolito.
Irace
Sicilian surname frequent in Palermo/Catania; possibly Arab-Greek origin.
Iraci
Sicilian form; attested among families in eastern Sicily.
Isgrò
Sicilian surname reflecting Greek influences; artist Emilio Isgrò (b.1937) notable bearer.
Isola
Topographic surname meaning “island”; found across Italy, sometimes noble families.
Isotti
Patronymic/derivative from female Isotta or Isidore; recorded in Tuscan archives.
Iuliano
Southern form of Giuliano; common in Naples area.
Iuliani
Plural/patronymic indicating the Julian family; appears in southern Italy records.
Iurato
Southern surname often linked to notarial or sworn roles.
Iurlaro
Southern surname of dialectal origin; local to Calabrian communities.
Iovane
Naples-area surname; may derive from nickname meaning “young” or Giovanni derivative.
Iovino
Campanian surname; diminutive/pet form of Giovanni lineage.
Iovene
Old southern Italian name with Roman roots; regionally concentrated.
Iommi
Italian origin; best known internationally via Tony Iommi (guitarist, b.1948) of Italian descent.
Iozzi
Variant patronymic of Giovanni; found in Lazio and Campania.
Izzo
Very common Neapolitan surname; notable: many Italian artists, actors bearing the name.
Ilardi
Southern Italian surname, concentrated in Avellino and Salerno provinces.
Ilardo
Campanian variant; locally attested in inland Naples region.
Iodice
Campanian surname recorded in Naples archives; regional to Caserta and Avellino.
Imbriani
Neapolitan surname with medieval roots; families recorded in 19th-century records.
Imbriaco
Sicilian surname deriving from a nickname; present in Palermo records.
Imparato
Neapolitan surname; recorded in early modern documents.
Impellizzeri
Sicilian surname concentrated in eastern Sicily; notable local families.
Incardona
Sicilian surname with medieval attestations; common in Messina area.
Indelicato
Sicilian nickname-turned-surname. Notable: Alphonse Indelicato (mobster, 1931–1981) in diaspora history.
Indiani
Surname possibly from travel or trade connections; present in southern port towns.
Infante
Surname with medieval origins; appears in southern Italy and Spanish-influenced regions.
Infantino
Common southern surname; FIFA president Gianni Infantino (b.1970) is a prominent bearer of Italian heritage.
Ingrassia
Sicilian surname frequent in Palermo/Catania; historical actors and cultural figures bear it.
Ingoglia
Sicilian surname; present in Agrigento and Palermo provinces.
Ingrosso
Southern surname carried into diaspora; notable diaspora bearers include Benjamin Ingrosso’s Italian lineage.
Ingrosso
See prior entry.
Innocenti
Classic Tuscan surname derived from the given name Innocenzo; widespread in Florence archives.
Iucci
Tuscan surname with medieval roots; local family lines preserved in church records.
Iudica
Sicilian surname tied to judicial office or nickname; present in Palermo and Catania.
Iudice
Sicilian/Calabrian form of “judge” surname; appears in southern legal family histories.
Iuppa
Southern surname concentrated in Reggio Calabria; likely dialectal formation.
Iuzzolino
Neapolitan surname from dialectal roots; attested in 19th–20th century records.
Iacovelli
Patronymic Jacob-derived surname recorded in central Italy.
Iacovitti
Southern Italian patronymic; medieval-early modern attestations in archives.