MDV may refer to: Maldives, ISO 3166-1 alpha-3 country code MDV (TV station), Australian television station The IATA code for Omboué Hospital Airport in Gabon The IOC code for Maldives Olympic Committee Messa di voce, a singing and voice therapy technique MDV Commercial Air Conditioner, Midea Group brand (active since 1999) Mitteldeutscher Verkehrsverbund (MDV), Transport and Tariff Association in the German Leipzig-Halle area Marek's disease virus