Overhead projector

Movie projector

Perspective projection

Map projection, reduces our three-dimensional planet to a flat map (Geography)

Projection (linear algebra)

Natural Language Processing :

Isometric projection

Orthographic projection, including:

3D projection

Power projection, the capacity of a state to implement policy by means of force, or the threat thereof, in an area distant from its own territory

Graphical projection, the production of a two-dimensional image of a higher-dimensional object

Video projector

Psychological projection, or "Freudian projection", a defense mechanism in which one attributes to others, one’s own unacceptable or unwanted thoughts or emotions

Oblique projection, and

Slide projector

a forecasting of future developments based on current statistics and trends

Projection (mathematics), any of several different types of functions, mappings, operations, or transformations

Projection (relational algebra)

Axonometric projection, including:

Fischer projection

Projections (Voyager episode), an episode of the television series Star Trek: Voyager

Section, a cutaway view of the interior

Elevation, usually a 'head-on' view of an exterior

Newman projection

Trimetric projection

Dimetric projection

Haworth projection

Plan, or floor plan view

Projection (Cylon ability), the ability to perceive your environment in any form you choose, displayed by the humanoid Cylons in the television series Battlestar Galactica .