Khao may refer to:
* Khao, Iran ( fa, خاو), a village in Kurdistan Province, Iran
* Khao ( th, เขา, pronounced ), the term for 'mountain' in Central and Southern Thailand; see List of mountains in Thailand
* Khao ( th, ข้าว, pronounced ), the term for 'rice' in the Thai and Lao languages; see Rice production in Thailand and Rice production in Laos
** Khao soi ( th, ข้าวซอย), Chiang Mai Curry Noodles
* Khao language, a Mon-Khmer language spoken in Vietnam
* The ICAO airport identifier for Butler County Regional Airport
{{Disambiguation, geo, airport
