T61, T.61 or T-61 may refer to: Allison T61, a turboprop engine , a tank landing ship of the Ecuadorean Navy Cooper T61, a British sports racing car , 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