Harshen Shoshoni yana nufin rukuni na harsunan Amirkawa na Shoshone da sauran ƴan asalin yankin Great Basin na Arewacin Amirka. Waɗannan harsunan wani yanki ne na dangin harshen Uto-Aztecan kuma ana siffanta su da hadadden tsarin nahawu da nau'ikan sauti daban-daban. Iyalin harshen Shoshoni ya ƙunshi yaruka da harsuna daban-daban, gami da Western Shoshone, Arewacin Shoshone, Comanche, da sauransu.