Khao Kho, is a 1143 m high mountain in Phetchabun Province, Thailand. It is in Khao Kho District. The mountain is part of the western range of the Phetchabun Mountains. Khao Kho was named either after the Ceylon oak or after Livistona speciosa, a kind of palm tree. Both species are known as kho in Thai and are abundant in the area.