Horizon

The term Horizon may refer to:
;In-universe
* Horizon (geography), the line at which the sky and a planet's surface appear to meet
** Event horizon, the boundary of a black hole
* Horizon (starship), the starship that visited Sigma Iotia II
** , the Earth Cargo Service starship
** , the Federation starship model
;Real world
* , the Star Trek: Enterprise episode
* A Star Trek font, the "Horizon" font was used in Star Trek: The Original Series and Star Trek: The Animated Series titles
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