EX, Ex or The Ex may refer to:
Extraterrestrial life, also called alien life (or, if it is a sentient or relatively complex individual, an "extraterrestrial" or "alien"), is life that occurs outside of Earth and that did not originate from Earth.
Exxon Mobil Corporation, doing business as ExxonMobil, is an American multinational oil and gas corporation headquartered in Irving, Texas.
Exercise is any bodily activity that enhances or maintains physical fitness and overall health and wellness.
Exo (Korean: 엑소; stylized as EXO) is a South Korean–Chinese boy band based in Seoul, with nine members: Suho, Baekhyun, Chanyeol, D.O., Kai, Sehun, Xiumin, Lay, and Chen.
An explosive material, or simply an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.
Exponentiation is a mathematical operation, written as bn, involving two numbers, the base b and the exponent n.
The trait of extraversion–introversion is a central dimension of human personality theories. The terms introversion and extraversion were popularized by Carl Jung, although both the popular understanding and psychological usage differ from his original intent.
An exoplanet (UK: , US: ) or extrasolar planet is a planet outside the Solar System. The first evidence of an exoplanet was noted in 1917, but was not recognized as such.