AHZ

AHZ may refer to:


 * Attohertz, in frequency measurement, 10−18 Hz
 * Alpe d'Huez Airport's IATA designation
 * Arnhem Zuid railway station's code
 * Academy of Foreign Trade in Lwów or Akademia Handlu Zagranicznego
 * Hungarian State Symphony Orchestra or Állami Hangverseny Zenekar
 * Ahz, a fictional place in the 1981 episode "Scooby's Trip to Ahz" of Scooby-Doo and Scrappy-Doo