T34 may refer to:

Vehicles

  • T-34, a Soviet tank circa 1940
  • T34 Calliope, a World War II American tank-mounted rocket launcher
  • T34 Heavy Tank, an American tank
  • Beechcraft T-34 Mentor, an American trainer aircraft
  • Slingsby T.34 Sky, a British glider
  • , a German warship of World War II

Other uses

  • T34 (classification), a disability classification used in para-athletics
  • T-34 (film), a 2019 Russian war film about the T-34 tank
  • T34 (microprocessor), a microprocessor compatible with the Zilog Z80
  • Deto Station, Osaka, Japan
  • Pratt & Whitney T34, a turboprop aero engine
  • T34, a rock band founded by Khaled Louma
  • T-34, a rock band featuring Al Murray