List of Hessian monarchs
| Monarchy of Hesse | |
|---|---|
State | |
Ernest Louis | |
| Details | |
| Style | His Royal Highness |
| First monarch | Henry I (as landgrave) |
| Last monarch | Ernest Louis (as grand duke) |
| Formation | 1264 |
| Abolition | 9 November 1918 |
| Appointer | Hereditary |
| Pretender(s) | Donatus |
This is a list of monarchs of Hesse (German: Hessen) during the history of Hesse on west-central Germany. These monarchs belonged to a dynasty collectively known as the House of Hesse and the House of Brabant, originally the Reginar. Hesse was ruled as a landgraviate, electorate and later as a grand duchy until 1918.
The title of all of the following monarchs was "landgrave" (German: Landgraf) unless otherwise noted.