General meanings

Object (philosophy), a thing, being, or concept
- Object (abstract), an object which does not exist at any particular time or place
- Physical object, an identifiable collection of matter
Goal, an aim, target, or objective
Object (grammar), a sentence element, such as a direct object or an indirect object

Science, technology, and mathematics

3D model, a representation of a physical object
Object (computer science), a language mechanism for binding data with methods that operate on that data
- Object-orientation (disambiguation), in which concepts are represented as objects
  - Object-oriented programming (OOP), in which an object is an instance of a class or array
- Object (IBM i), the fundamental unit of data storage in the IBM i operating system
Object file, the output of a compiler or other translator program (also known as "object code")
HTML object element

Object (mathematics), an abstract object arising in mathematics
Group object, a generalization of a group built on more complicated structures than sets
Object, an entity treated by mathematical category theory

Physical body or object, in physics, an identifiable collection of matter
- Planetary body or planetary object, any secondary body in the Solar system that has a planet-like geology

Object language (disambiguation)
Object (National Register of Historic Places), a classification used by the U.S. National Register of Historic Places
Object: Australian Design Centre, a non-profit organisation promoting design in Australia
Object theory (disambiguation)
Объект (object), (Russian GABTU), military vehicle designations