| Dates | Prime minister
|
| March 23 - June 12, 1861 | Camillo Benso count of Cavour
|
| June 12, 1861 - March 3, 1862 | Bettino Ricasoli
|
| March 3 - December 8, 1862 | Urbano Rattazzi
|
| December 8, 1862 - March 24, 1863 | Luigi Carlo Farini
|
| March 24, 1863 - September 28, 1864 | Marco Minghetti
|
| September 28, 1864 - June 20, 1866 | Alfonso Ferrero la Marmora
|
| June 20, 1866 - April 10, 1867 | Bettino Ricasoli (2nd time)
|
| April 10, 1967 - October 27, 1867 | Urbano Rattazzi (2nd time)
|
| October 27, 1867 - December 14, 1869 | Federico Luigi, Conte Menabrea
|
| December 14, 1869 - July 10, 1873 | Giovanni Lanza
|
| July 10, 1873 - March 25, 1876 | Marco Minghetti(2nd time)
|
| March 25, 1876 - March 24, 1878 | Agostino Depretis
|
| March 24 - December 19, 1878 | Benedetto Cairoli
|
| December 19, 1878 - July 14, 1879 | Agostino Depretis (2nd time)
|
| July 14, 1879 - May 29, 1881 | Benedetto Cairoli (2nd time)
|
| May 29, 1881 - July 29, 1887 | Agostino Depretis (3rd time)
|
| July 29 1887 - February 6, 1891 | Francesco Crispi
|
| February 6, 1891 - May 15, 1892 | Antonio Starabba, Marchese di Rudinì
|
| May 15, 1892 - December 15, 1893 | Giovanni Giolitti
|
| December 15, 1893 - March 10, 1896 | Francesco Crispi (2nd time)
|
| March 10, 1896 - June 29, 1898 | Antonio Starabba, Marchese di Rudinì (2nd time)
|
| June 29, 1898 - June 24, 1900 | Luigi Pelloux
|
| June 24, 1900 - February 15, 1901 | Giuseppe Saracco
|
| February 15, 1901 - November 3, 1903 | Giuseppe Zanardelli
|
| November 3, 1903 - March 12, 1905 | Giovanni Giolitti (2nd time)
|
| March 12 - March 28, 1905 | Tommaso Tittoni
|
| March 28, 1905 - February 8, 1906 | Alessandro Fortis
|
| February 8 - May 29, 1906 | Sidney Sonnino
|
| May 29, 1906 - December 11, 1909 | Giovanni Giolitti (3rd time)
|
| December 11, 1909 - March 31, 1910 | Sidney Sonnino (2nd time)
|
| March 31, 1910 - March 30, 1911 | Luigi Luzzatti
|
| March 30, 1911 - March 21, 1914 | Giovanni Giolitti (4th time)
|
| March 21, 1914 - June 18, 1916 | Antonio Salandra
|
| June 18, 1916 - October 29, 1917 | Paolo Boselli
|
| October 29, 1917 - June 23, 1919 | Vittorio Emanuele Orlando
|
| June 23, 1919 - June 15, 1920 | Francesco Saverio Nitti
|
| June 15, 1920 - July 4, 1921 | Giovanni Giolitti (5th time)
|
| July 4, 1921 - February 26, 1922 | Ivanoe Bonomi
|
| February 26, 1922 - October 31, 1922 | Luigi Facta
|
| October 31, 1922 - July 25, 1943 | Benito Mussolini (il Duce)
|
| July 25, 1943 - June 18, 1944 | General Pietro Badoglio (Provisional Military Government)
|
| June 18, 1944 - June 19, 1945 | Ivanoe Bonomi (2nd time)
|
| June 21, 1945 - December 8, 1945 | Ferruccio Parri
|
| December 10, 1945 - July 1, 1946 | Alcide De Gasperi
|
| Dates | Prime minister
|
| July 13, 1946 - August 2, 1953 | Alcide De Gasperi (First government with a parliament democratically elected by universal suffrage)
|
| August 17, 1953 - January 12, 1954 | Giuseppe Pella
|
| January 18, 1954 - February 8, 1954 | Amintore Fanfani
|
| February 10, 1954 - July 2, 1955 | Mario Scelba
|
| July 6, 1955 - May 15, 1957 | Antonio Segni
|
| May 19, 1957 - July 1, 1958 | Adone Zoli
|
| July 1, 1958 - February 15, 1959 | Amintore Fanfani (2nd time)
|
| February 15, 1959 - March 23, 1960 | Antonio Segni (2nd time)
|
| March 25, 1960 - July 26, 1960 | Fernando Tambroni
|
| July 26, 1960 - June 21, 1963 | Amintore Fanfani (3rd time)
|
| June 21, 1963 - December 4, 1963 | Giovanni Leone
|
| December 4, 1963 - June 24, 1968 | Aldo Moro
|
| June 24, 1968 - December 12, 1968 | Giovanni Leone (2nd time)
|
| December 12, 1968 - August, 1970 | Mariano Rumor
|
| August 6, 1970 - February 17, 1972 | Emilio Colombo
|
| February 17, 1972 - July 7, 1973 | Giulio Andreotti
|
| July 7, 1973 - November 23, 1974 | Mariano Rumor (2nd time)
|
| November 23, 1974 - July 29, 1976 | Aldo Moro (2nd time)
|
| July 29, 1976 - August 4, 1979 | Giulio Andreotti (2nd time)
|
| August 4, 1979 - October 18, 1980 | Francesco Cossiga
|
| October 18, 1980 - June 28, 1981 | Arnaldo Forlani
|
| June 28, 1981 - December 1, 1982 | Giovanni Spadolini
|
| December 1, 1982 - August 4, 1983 | Amintore Fanfani (4th time)
|
| August 4, 1983 - April 17, 1987 | Bettino Craxi
|
| April 17, 1987 - July 28, 1987 | Amintore Fanfani (5th time)
|
| July 28, 1987 - April 13, 1988 | Giovanni Goria
|
| April 13, 1988 - July 22, 1989 | Ciriaco De Mita
|
| July 22, 1989 - April 24, 1992 | Giulio Andreotti (3rd time)
|
| June 28, 1992 - April 28, 1993 | Giuliano Amato
|
| April 28, 1993 - May 10, 1994 | Carlo Azeglio Ciampi
|
| May 10, 1994 - January 17, 1995 | Silvio Berlusconi
|
| January 17, 1995 - May 17, 1996 | Lamberto Dini
|
| May 17, 1996 - October 21, 1998 | Romano Prodi
|
| October 21, 1998 - April 25, 2000 | Massimo D'Alema
|
| April 25, 2000 - June 11, 2001 | Giuliano Amato (2nd time)
|
| June 11, 2001 - May 17, 2006 | Silvio Berlusconi (2nd time)
|
| May 17, 2006 - | Romano Prodi (2nd time)
|