TZ-1

TZ-1, TZ1, or variant, may refer to:


 * Phoenix Industries TZ-1 ParaFlyer, a powered parachute
 * Alfa Romeo TZ1, a sportscar
 * Tianzhou 1, a Chinese spaceflight mission involving the first flight of a Tianzhou space capsule
 * UTC+01:00 time zone
 * UTC−01:00 time zone