Jacques I (disambiguation)
# Jacques I (disambiguation)

Jacques I may also refer to:

* Jacques I, Emperor of Haiti (1758–1806), the Emperor of Haiti
* Jacques I, Prince of Monaco (1689–1751), the Prince of Monaco
* Jacques I of Cyprus (1334–1398), the Regent of Cyprus
* Jaime, Duke of Madrid (1870–1931), the Duke of Madrid
* Jacques I, Emperor of the Sahara 1903, self-proclaimed Emperor of the Sahara
