The Khao KhiaoâÂÂKhao Chomphu Wildlife Sanctuary () is a protected area in the Khao Khiao Massif, in Chonburi Province, Thailand. Founded in 1974, it is an IUCN Category IV wildlife sanctuary, measuring 145 km<sup>2</sup> in area.
It is partly covered with dry and moist broadleaf forest in the lower ranges. This is the last forested area in Chonburi Province. The Khao Khiao Open Zoo is at the foot of the mountain area.