A horizon doesn't have a name. It's a general term that refers to the line where the sky and the Earth appear to meet.

However, there are specific types of horizons:

* True Horizon: The actual line where the sky and the Earth meet, visible from a perfectly flat surface.

* Visible Horizon: The line seen from a certain height, which can be influenced by features like hills or buildings.

* Geometric Horizon: A theoretical line that is perpendicular to the observer's vertical line and passes through the center of the Earth.

So, while a horizon itself doesn't have a name, you can refer to these specific types of horizons.