Det finns ingen kanonutlåtande om AT-AT. Det finns emellertid några Legends produkter som uttalar namnet. Följande kommer från länk :
AT-AT is pronounced "at-at" in Star Wars: Force Commander, and Star Wars: Galactic Battlegrounds. They are also called "A-T-A-T"s briefly in Star Wars: Rogue Squadron II: Rogue Leader. In Star Wars: Battlefront II both terms are used. However, in Star Wars Battlefront: Renegade Squadron, it is pronounced "A-T-A-T".