Apex may refer to one of the following.
- Apex is the pointed end of an object: the tip of a cone or a pyramid, or the highest point of a hill, etc.
- Apex is the tip the spire of the shell of a gastropod.
- Apex, North Carolina is a town in the United States.
- In travel industry, APEX stands for: Advance Ppurchase Excursion Fare. In reality it means that ticket has to be bought 30, 28, 21, 10, 07, 05 or 03 days before departure (in some cases 24 or 48 hours after reservation). Specific conditions are set by the individual travel agent.