- Carteret, John.
- a male given name.
- 1st Earl, title of John Carteret . 1690–1763, British statesman: secretary of state (1742–44); a leading opponent of Walpole
- 2nd Earl, title of Granville George Leveson-Gower . 1815–91, British Liberal politician: Gladstone's foreign secretary (1870–74; 1880–85) and a supporter of Irish Home Rule
