| Diplomatic accreditation | ambassador | Observations | List of Prime Ministers of Italy | List of heads of state of Argentina | Term end | | 1856|05|05}} | Marcello Cerruti|it}} | Chargé d'affaires | Camillo Benso, Count of Cavour | Justo José de Urquiza | 1861 | } |
| 1861|12|13}} | Raffaele Ulisse Barbolani|it}} | Chargé d'affaires | Bettino Ricasoli | Juan Esteban Pedernera | 1864 | } |
| 1864|02|04}} | Raffaele Ulisse Barbolani|it}} | Alfonso Ferrero La Marmora | Bartolomé Mitre | 1867 | } |
| 1867|03|16}} | Luigi Joannini Ceva di San Michele | Chargé d'affaires | Urbano Rattazzi | Bartolomé Mitre | 1868 | } |
| 1868|08|08}} | Enrico della Croce di Dojola | Urbano Rattazzi | Domingo Faustino Sarmiento | 1876 | } |
| 1876|02|18}} | Federico Costanzo Spinola|it}} | Agostino Depretis | Nicolás Avellaneda | 1880 | } |
| 1880|05|30}} | Saverio Fava | Benedetto Cairoli | Julio Argentino Roca | 1881 | } |
| 1881|08|28}} | Enrico Cova | Agostino Depretis | Julio Argentino Roca | 1888 | } |
| 1888|02|05}} | Giuseppe Anfora di Licignano|de}} | Francesco Crispi | Miguel Juárez Celman | 1894 | } |
| 1894|11|29}} | Pietro Antonelli|it}} | Francesco Crispi | Luis Sáenz Peña | 1898 | } |
| 1898|02|20}} | Principe di Carlati Lorenzo Friozzi (1858 - 1906) | Chargé d'affaires | Luigi Pelloux | Julio Argentino Roca | 1898 | } |
| 1898|03|24}} | Obizzo Malaspina di Carbonara|it}} | Luigi Pelloux | Julio Argentino Roca | 1901 | } |
| 1901|04|18}} | Francesco Bottaro-Costa | Giuseppe Zanardelli | Julio Argentino Roca | 1906 | } |
| 1906|10|21}} | Vincenzo Macchi di Cellere | Sidney Sonnino | José Figueroa Alcorta | 1912 | } |
| 1912|10|03}} | Vittore Cobianchi | Giovanni Giolitti | Roque Sáenz Peña | 1921 | } |
| 1921|10|06}} | Giuseppe Colli di Felizzano | Ivanoe Bonomi | Hipólito Yrigoyen | 1923 | } |
| 1923|12|06}} | Luigi Aldrovandi Marescotti | Benito Mussolini | Marcelo Torcuato de Alvear | 1924 | } |
| 1924|07|03}} | Luigi Aldrovandi Marescotti | ambassador | Benito Mussolini | Marcelo Torcuato de Alvear | 1926 | } |
| 1926|05|16}} | Alberto Martin-Franklin | Benito Mussolini | Marcelo Torcuato de Alvear | 1929 | } |
| 1929|11|14}} | Bonifacio Pignatti Morano di Custoza | Benito Mussolini | Hipólito Yrigoyen | 1932 | } |
| 1932|08|25}} | Mario Arlotta | Benito Mussolini | Agustín Pedro Justo | 1936 | } |
| 1936|08|07}} | Raffaele Guariglia | Benito Mussolini | Agustín Pedro Justo | 1939 | } |
| 1939|02|26}} | Gabriele Preziosi | Benito Mussolini | Roberto María Ortiz | 1940 | } |
| 1940|08|21}} | Raffaele Boscarelli | Benito Mussolini | Roberto María Ortiz | 1942 | } |
| 1942|04|23}} | Livio Garbaccio | Chargé d'affaires | Benito Mussolini | Ramón Castillo | 1942 | } |
| 1942|05|12}} | Francesco Pittalis | 1906|07|15}} )- From 1932 to 1942 he was cónsul géneral of Italy in Munich.[1]
| Benito Mussolini | Ramón Castillo | 1944 | } |
| 1944|11|21}} | Federico Sensi | Chargé d'affaires,- From 3 December 1964 to 8 August 1968 he was Italy's ambassador to Moscow (Soviet Union) {{Ill|Italian ambassador to Russia|it|Ambasciatore d'Italia in Russia}}.
| Pietro Badoglio | Edelmiro Julián Farrell | 1946 | } |
| 1946|01|05}} | Giovanni Fornari | Chargé d'affaires | Ferruccio Parri | Juan Perón | 1946 | } |
| 1946|12|28}} | Giustino Arpesani | Giustino Arpesani (1896–1980),a lawyer, Italian politician, and diplomat, was a member of the Liberal Partyfrom 1921 to 1947, when he left the party. | Ferruccio Parri | Juan Perón | 1951 | } |
| 1951|03|14}} | Alberigo Casardi | Chargé d'affaires | Ferruccio Parri | Juan Perón | 1955 | } |
| 1955|04|27}} | Francesco Babuscio Rizzo | Antonio Segni | Eduardo Lonardi | 1960 | } |
| 1960|07|08}} | Francesco Babuscio Rizzo | Fernando Tambroni | Arturo Frondizi | 1962 | } |
| 1962|04|30}} | Lanza d'Ajeta di Trabia | Fernando Tambroni | José María Guido | 1964 | } |
| 1964|12|22}} | Alessandro Tassoni Estense di Castelvecchio | Giovanni Leone | Arturo Umberto Illia | 1967 | } |
| 1967|09|23}} | Paolo Tallarigo di Zagarise e Sersale | Giovanni Leone | Juan Carlos Onganía | 1971 | } |
| 1971|12|04}} | Giuseppe De Rege Thesauro | Emilio Colombo | Alejandro Agustín Lanusse | 1976 | } |
| 1976|04|23}} | Enrico Carrara | Giulio Andreotti | Jorge Rafael Videla | 1979 | } |
| 1979|05|04}} | Umberto Bozzini | Francesco Cossiga | Jorge Rafael Videla | 1979 | } |
| 1979|09|04}} | Umberto Bozzini | Francesco Cossiga | Jorge Rafael Videla | 1982 | } |
| 1982|03|02}} | Sergio Kociancich | Amintore Fanfani | Alfredo Saint Jean | 1985 | } |
| 1985|02|23}} | Ludovico Incisa di Camerana | Bettino Craxi | Raúl Alfonsín | 1987 | } |
| 1987|08|07}} | Ludovico Incisa di Camerana | Amintore Fanfani | Raúl Alfonsín | 1991 | } |
| 1991|12|10}} | Cláudio Moreno | Giulio Andreotti | Carlos Menem | 1993 | } |
| 1993|06|08}} | Giuseppe Maria Borga|de}} | Carlo Azeglio Ciampi | Carlos Menem | 1998 | } |
| 1998|07|11}} | Giovanni Jannuzzi | Massimo D’Alema | Carlos Menem | 2001 | } |
| 2001|11|05}} | Roberto Nigido | Silvio Berlusconi | Ramón Puerta | 2005 | } |
| 2005|10|31}} | Stefano Ronca | Silvio Berlusconi | Néstor Kirchner | 2009 | } |
| 2009|12|28}} | Guido Walter La Tella | Silvio Berlusconi | Cristina Fernández de Kirchner | 2013 | } |
| 2013|01|02}} | Guido Walter La Tella | Enrico Letta | Cristina Fernández de Kirchner | 2013 | } |
| 2013|09|12}} | Teresa Castaldo | Enrico Letta | Cristina Fernández de Kirchner | 2015 | } |
| 2015|01|02}} | Teresa Castaldo | Matteo Renzi | Cristina Fernández de Kirchner | 2018 | } |
| 2018|02|12}} | Giuseppe Manzo | [2] | Giuseppe Conte | Mauricio Macri |
{{coord|-34.566210|-58.445958|display=title|region:BO_type:landmark}}1. ^[https://books.google.de/books?id=c95_A2FkQW8C&pg=PA96&dq=Francesco+PITTALIS&hl=de&sa=X&ved=0ahUKEwi4npzvnMXdAhXNmIsKHTZzC20Q6AEINjAD][https://books.google.de/books?id=PgpKAQAAIAAJ&q=Francesco+PITTALIS&dq=Francesco+PITTALIS&hl=de&sa=X&ved=0ahUKEwi4npzvnMXdAhXNmIsKHTZzC20Q6AEILDAB Francesco Pittalis]
2. ^[https://ambbuenosaires.esteri.it/ambasciata_buenosaires/it/ambasciata/ambasciatore Giuseppe Manzo]
3. ^Capi Missione italiani in Argentina, [https://ambbuenosaires.esteri.it/ambasciata_buenosaires/it/ambasciata/ambasciatore/tutti-gli-ambasciatori-dal-1856.html]; Jefes de Misión italianos en la Argentina, [https://ambbuenosaires.esteri.it/ambasciata_buenosaires/es/ambasciata/ambasciatore/tutti-gli-ambasciatori-dal-1856.html]