Type 4 could refer to: * Type 4 asteroid, a type of asteroid * Type 4 deflector shield, a type of deflector shield * Type 4 micro-inducer, a tool * Type 4 phaser emitter, a shuttlecraft-mounted phaser emitter * Type 4 quantum singularity, a spatial distortion * Type 4 stealth assault, a method of attack * Type 4 Tallonian microscanner, a type of microscanner You may also be looking for: * Class 4, another series of classifications