| Joseph | |
| Prince Kinsky of Wchinitz and Tettau | |
| Spouse: | Countess Rosa of Harrach of Rohrau and Thannhausen |
| Issue: | Maria Sidonia, Princess of Lobkowicz Countess Maria Rosa Johanna Ferdinand, 5th Prince Kinsky of Wchinitz and Tettau Count Franz de Paula |
| Full Name: | Joseph Ernst Leonhard Dominik |
| House: | House of Kinsky |
| Father: | Franz de Paula Ulrich, 3rd Prince Kinsky of Wchinitz and Tettau |
| Mother: | Countess Maria Sidonie of Hohenzollern-Hechingen |
| Birth Date: | 12 January 1751 |
| Birth Place: | Vienna, Habsburg monarchy |
| Death Place: | Prague, Kingdom of Bohemia |
Joseph, 4th Prince Kinsky of Wchinitz and Tettau (German: Joseph Ernst Leonhard Dominik Fürst Kinsky von Wchinitz und Tettau; 12 January 175111 August 1798) was the 4th Prince Kinsky of Wchinitz and Tettau.
Joseph was born at Vienna, Habsburg monarchy second son of Franz de Paula Ulrich, 3rd Prince Kinsky of Wchinitz and Tettau and Countess Maria Sidonie of Hohenzollern-Hechingen. He became the prince upon the death of his father in 1792.
Joseph became an Imperial chamberlain in 1767, Lord-in-waiting (wirklicher Kammerherr) in 1772, counsellor to the government of the Archduchy of Austria in 1774, and imperial counsellor in 1775. In this role he travelled extensively throughout Europe. He succeeded his father in 1792, becoming the 4th Prince Kinsky of Wchinitz and Tettau. At this stage he resigned his position in the state service.
He was a patron of Pavel Wranitzky (1756–1808) and other Moravian and Bohemian musicians in Vienna.
Joseph married on 23 April 1777 in Vienna to Countess Rosa of Harrach of Rohrau and Thannhausen (1758–1814), youngest daughter of Ferdinand Bonaventura II von Harrach and his wife, Countess Maria Rosa of Harrach of Rohrau and Thannhausen.
They had four children:
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