BHQ may refer to: BHQ, IATA code for Broken Hill Airport in Broken Hill, New South Wales, Australia Biblia Hebraica Quinta, fifth edition of the Biblia Hebraica, a scholarly version of the Old Testament bhq, ISO 639-3 code for the southern dialect of the Tukang Besi language, spoken in Sulawesi, Indonesia A type of dark quencher manufactured by Biosearch Technologies