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