T34

T34 may refer to:

• T-34, a 1940 Soviet tank
• T34 (classification), a disability classification used in para-athletics
• T-34, a rock band featuring Al Murray
• T34 (microprocessor), a z80 compatible Zilog microprocessor
• T34 Calliope, a 1943 U.S. tank-based rocket launcher
• Beechcraft T-34 Mentor, a 1953 U.S. military trainer aircraft
• Frostbite with tissue necrosis (ICD-10 code T34)
• T34, a variant of the U.S. T29 Heavy Tank
• T.34 (1978–1980), a predecessor to the musical group This Window
• Slingsby T.34 Sky, a glider from Slingsby Aviation
• Pratt & Whitney T34, turboprop aero engine