Abstract: An ATV enclosure includes a plurality of first elongate support members positionable adjacent front and rear corners of an ATV and overlap each other generally medially between the opposed end portions, respectively. The ATV enclosure further includes a plurality of second support members having opposed end portions removably connectable adjacent to front and rear corners of an ATV. The ATV enclosure further includes a cover attachable to a plurality of receiving members and is positionable above the plurality of first support members for defining a cavity therebeneath and for protecting an operator from the environment. The cover includes a body preferably including a ventilation portion formed therein and for allowing air to pass therethrough. The body may further include a plurality of access panels formed therein and a plurality of zippers attached thereto, respectively, for adjustably opening and closing same. A plurality of fastening members help secure the enclosure to an ATV.