| François-Xavier Georges Joseph Marie Ghislain baron van der Straten-Waillet | |
| Office1: | Ambassador of Belgium to Italy |
| Term Start1: | 1969 |
| Term End1: | 1975 |
| Office2: | Director-General political affairs at the Ministry of Foreign Affairs |
| Term Start2: | 1966 |
| Term End2: | 1969 |
| Office3: | Ambassador of Belgium to The Netherlands |
| Term Start3: | 1955 |
| Term End3: | 1966 |
| Office4: | Ambassador of Belgium to Argentina |
| Term Start4: | 1952 |
| Term End4: | 1955 |
| Office5: | Party chair of the Christian Social Party |
| Term Start5: | 1949 |
| Term End5: | 1950 |
| Predecessor5: | August De Schryver |
| Successor5: | Theo Lefèvre |
| Office6: | Minister of Public Health |
| Term Start6: | 1948 |
| Term End6: | 1949 |
| Predecessor6: | Alfons Verbist |
| Successor6: | Adolphe Van Glabbeke |
| Office7: | Minister of Foreign Trade |
| Term Start7: | 1947 |
| Term End7: | 1948 |
| Predecessor7: | Paul-Henri Spaak |
| Successor7: | Georges Moens de Fernig |
| Office8: | Member of Parliament |
| Term Start8: | 1946 |
| Term End8: | 1952 |
| Birth Date: | 22 January 1910 |
| Birth Place: | Antwerp, Belgium |
| Death Place: | Woluwe-Saint-Lambert, Belgium |
| Party: | Christian Social Party |
| Spouse: | Marie-Thérèse Moretus Plantin de Bouchout |
| Alma Mater: | Catholic University of Leuven |
François-Xavier Georges Joseph Marie Ghislain baron van der Straten-Waillet (22 January 1910 - 15 February 1998) was a Belgian politician for the Christian Social Party.
was a son of baron Alphonse van der Straten-Waillet (1884-1964), mayor of Westmalle, and of Irène Bosschaert de Bouwel (1885-1971). Van der Straten-Waillet married Marie-Thérèse Moretus Plantin de Bouchout (1912-2004) in 1935 and had six children.[1] He obtained his doctorate in law at the Catholic University of Leuven in 1932 and became a director of the Verbond van Kristelijke Werkgevers (League of Christian Employers).
In 1946, he was elected as a Member of Parliament for the Christian Social Party for the Arrondissement of Antwerp. From 1949 to 1950, he was the second party chair, succeeding August De Schryver.
Van der Straten became a government minister twice: Minister of Foreign Trade from 1947 to 1948, and Minister of Public Health and Family from 1948 to 1949. Afterwards, he became an ambassador of Belgium to several countries, namely to Argentina (1952-1955), The Netherlands (1955-1966), and Italy (1969-1975).[2]