CAT4

CAT4 or Cat 4 may refer to:


 * Cognitive Abilities Test (CAT4) used to predict student success by assessing verbal, non-verbal, mathematical, and spatial reasoning.
 * Category 4 cable, network cabling that consists of four unshielded twisted-pair wires
 * Qualicum Beach Airport (TC LID code), an airport in British Columbia, Canada
 * Category 4 hurricane
 * LTE User Equipment Category 4 in mobile communications standards