Z5

Z5 may refer to:
 * Harbin Z-5, Chinese helicopter
 * Mazda Z engine
 * a file extension used by Z-machine
 * Z5 (computer) designed by Konrad Zuse
 * the GMG Airlines IATA airline code
 * German destroyer Z5 Paul Jacobi
 * the Beijing-Nanning-Hanoi Through Train (southbound)
 * Zbrojovka Z5 Express, a Czech car of the 1930s
 * LNER Class Z5, a class of British steam locomotives
 * Nikon Z 5 mirrorless camera