YAQ or yaq can refer to:
Yaqui language, an indigenous language spoken in Sonora state, Mexico and Arizona, U.S., by ISO 639 code Maple Bay Seaplane Base, an airport in Maple Bay, British Columbia, Canada, by IATA code; see List of airports by IATA airport code: Y Yu'an District, a district of Lu'an, Anhui, China; see List of administrative divisions of Anhui