- Source: T61
T61, T.61 or T-61 may refer to:
Allison T61, a turboprop engine
BAE Hualcopo, a tank landing ship of the Ecuadorean Navy
Cooper T61, a British sports racing car
INS Trinkat (T61), a patrol vessel of the Indian Navy
ITU T.61, a character set standard
Lola T61, a British Formula Two racing car
Slingsby T.61 Falke, a British glider
thesixtyone, a music discovery website
ThinkPad T61, a laptop computer
T61 (classification), an IPC para-athletics classification for athletes with limb differences