6Z or 6-Z may refer to:
6Z, IATA code for South African airline Panavia 6Z, IATA code for Ukrainian Cargo Airways 6Z, the production code for the 1985 Doctor Who serial Revelation of the Daleks Class 6Z locomotive; see South African Class 6A 4-6-0 Asus ZenFone 6, known as the Asus 6Z in the Indian market
See also Z6 (disambiguation)