UIH (disambiguation)

UIH may refer to:
 * Ulsiin Ih Hural, the unicameral parliament of Mongolia
 * Phu Cat Airport, the IATA code UIH
 * Lianyungang railway station, the telegraph code UIH
 * Phù Cát Air Base, the IATA code UIH
 * Qui Nhon Airfield, the former IATA code UIH