Ground may refer to:

* Earth's surface
* Soil, a mixture of clay, sand and organic matter present on the surface of the Earth and serving as substrate for plant growth and micro-organisms development
* Ground, in electrical engineering, something that is connected to the Earth or at the voltage defined as zero (in the U.S., called ground; in the UK, called earth):
** Earthing system
** Ground (electricity)
** Ground and neutral
* Ground (often grounds), in law, a rational motive, basis for a belief or conviction, for an action taken, such as a legal action or argument; reason or cause:
** Grounds for divorce
** Grounds for dismissal
* Common ground, in communication, people sharing some common understanding
* Coffee, grinded/ground coffee beans
* Socially grounded argument, in philosophy, those which take as their starting point social conditions
* Ground bass, in music, a bass part that continually repeats, while the melody and harmony over it change
* Ground tissue, one of the three types of tissue systems in a plant
* Ground term, in symbolic logic, a term with no variables
* Ground surface, often on metals, created by various grinding operations
* Stadium