LTO may refer to: Science and technology Linear Tape-Open, a computer storage magnetic tape format Link-time optimization, a technique used by compilers to optimize software Low Temperature Oxide, a form of silicon dioxide used in microfabrication Lunar transfer orbit, in orbital mechanics Lithium titanate (Li2TiO3), a compound containing lithium and titanium Lithium-titanate battery, a type of rechargeable battery using a lithium-titanate anode Other uses Lambda Tau Omega, an American college sorority Land Transportation Office (Philippines), a government agency in the Philippines Light tight oil, a type of crude oil Loreto International Airport (IATA code), Mexico Limited time only, a type of sales promotion