List of governors of the Province of Trieste
The following is a list of Governors of the Province of Trieste, from 1918 to 1954. It includes Italian military governor, general civil commissioners and prefects, as well as Allied/Yugoslav military governors of the Free Territory of Trieste (Governors of all Julian March prior to the establishment of the Territory) in the aftermath of World War II.
(Dates in italics indicate de facto continuation of office)
| Term | Incumbent | Notes |
|---|---|---|
| Italian Suzerainty | ||
| 3 November 1918 to 1919 | Carlo Petitti di Roreto, Military Governor | |
| 31 July 1919 to 3 December 1919 | Augusto Ciuffelli, General Civil Commissioner for Venezia Giulia | |
| 8 December 1919 to 30 October 1922 | Antonio Mosconi, General Civil Commissioner for Venezia Giulia | |
| 1 November 1922 to 18 June 1924 | Francesco Crispo Moncada, Prefect | |
| 22 June 1924 to 11 December 1925 | Amadeo Moroni, Prefect | |
| 11 December 1925 to 15 December 1926 | Giovanni Gasti, Prefect | |
| 16 December 1926 to 16 July 1929 | Bruno Fornaciari, Prefect | |
| 16 July 1929 to 16 January 1933 | Ettore Porro, Prefect | |
| 16 January 1933 to 1 August 1936 | Carlo Tiengo, Prefect | |
| 1 August 1936 to 21 August 1939 | Eolo Rebua, Prefect | |
| 21 August 1939 to 7 June 1941 | Dino Borri, Prefect | |
| 7 June 1941 to 1 August 1943 | Tullio Tamburini, Prefect | 1st time |
| 1 August 1943 to 11 September 1943 | Giuseppe Cocuzza, Prefect | |
| 12 September 1943 to 1 October 1943 | Tullio Tamburini, Prefect | 2nd time, under German occupation |
| 22 October 1943 to 28 April 1945 | Bruno Coceani, Prefect | Under German occupation |
| 28 April 1945 to 1945 | Antonio De Berti, Prefect | Under German occupation |
| Allied/Yugoslav Control | ||
| Zone A (Allied) | ||
| 2 May 1945 to July 1945 | Bernard Cyril Freyberg, Military Governor | From New Zealand, Governor of all Julian March |
| July 1945 to July 1947 | Alfred Connor Bowman, Military Governor | From United States, Governor of all Julian March |
| July 1947 to 15 September 1947 | James Jewett Carnes, Military Governor | From United States, Governor of all Julian March |
| 15 September 1947 to 31 March 1951 | Sir Terence Sydney Airey, Military Governor | From United Kingdom |
| 1 April 1951 to 26 October 1954 | Sir Thomas John Willoughby Winterton, Military Governor | From United Kingdom |
| Zone B (Yugoslav) | ||
| 1 May 1945 to September 1947 | Dušan Kveder, Military Governor | Governor of all Julian March |
| 15 September 1947 to March 1951 | Mirko Lenac, Military Governor | |
| March 1951 to 25 October 1954 | Miloš Stamatović, Military Governor | |