Apex may refer to:

• Apex (mollusc), the tip of the spire of the shell of a gastropod
• Apex (hat), a pointed piece of olive-wood, the base of which was surrounded with a lock of wool, worn by Roman priests
• solar apex, the direction that our solar system travels through in our Galaxy
• Apex (radio band), an experimental very high frequency radio broadcasting system
• Apex (racing), the point a car should touch on the inside of a turn when following a proper line

Apex is the name of:

• Apex, North Carolina, a town in the United States
• Apex Digital, a California-based electronics manufacturer
• Apex Digest, a Kentucky-based science fiction magazine
• Apex Stores, a Rhode Island-based department store chain
• A supervillain of the TV show Portal
• Vympel R-23, an air-to-air missile (NATO reporting name "Apex")
• Apex (game), a racing video game released by Atari in 2003 for the Xbox
• Apex Guild, a massively multiplayer online role-playing game Clan from the UK.
• Apex Challenge, a UK based Scout competition
• Apex (A to the pex), a World of Warcraft guild in Boulderfist server.

APEX may stand for:

• APEX system (Additive System of Photographic Exposure), a system of exposure calculation based on Ev units, or stops
• Atacama Pathfinder Experiment, a radioastronomical project in the high Andes in the north of Chile
• Association of Professional, Executive, Clerical and Computer Staff, a British Trade Union

Apex | Apekso | Ápice | Apex