FZ, F-Z, Fz, or fz may refer to:
Arts and entertainment Fold Zandura, an American alternative rock band Forzando, in music, forcingly, with strong emphasis, like an accent Frank Zappa, an American composer, musician, and film director F-Zero, a futuristic racing video game by Nintendo
Science and technology FileZilla, an FTP client and FTP server Float-zone silicon, very pure silicon obtained by vertical zone melting Fracture zone, in geology
Other uses Farhan Zaman, a short form of his name Flydubai (IATA airline designator) Forges de Zeebrugge, an arms manufacturer in Belgium Franc zone, a currency area in Africa Frankfurter Zeitung, a German newspaper Free Zone (disambiguation) Friend zone, a platonic relationship (texting slang) Fuzhou, the capital of Fujian province in China Fz: an EEG electrode site according to the 10-20 system