Oltoyho (az soli 1922to 1948 oyrotho niz menomidand), khalqiyatest, ki dar Viloyati Avtonomii Kuhistoni Oltoyi kishvari Oltoyi RSFSR zindagi mekunad. Dar guzashta nomi umumii guruhi qabilahoi turkizabon, ki dar Kuhistoni Oltoy va qisman dar Oltoyi Kuznesk maskun budand.
Shumoraashon 60 hazor nafar (1979). Ba zaboni oltoyi gap mezanand. Az jidati etnografi ba Oltoyi shimol va janub taqsim meshavand. Oltoyi shimol, ehtimol, dar natijai munosibathoi darozmuddati qabilahoi qadimai samodiho, ketho, ugrho va turkho paydo shuda boshand. Ba Oltoyi shimol tubalarho (sohili chapi daryoi Biy va sohili shimoli garbii kuli Teles), chelkanho yo lebediho (havzai daryoi Lebed), kumandiho (miyonai jarayoni D. Biy) dokhiland.
Ba jumlai Oltoy janub khudi Oltoy yo oltoy-kijho, telengho bo telesho va teleutho dokhiland, ki dar yak qator rayonhon Viloyati Avtonomii Kuhistoni Oltoy maskunand. Oltoyi janub az omezishi qabilahoi (asrhoi 6—8) qadimai turki Sayanu Oltoy va qabilahoi mugul tashakkul yoftaand. Dar guzashta bo chorvodoriyu shikor mashgul budand. Onho khat nadoshtand va dar bayni onho sokhti patrnarkhaliyu feodali hukmron bud. Oltoy dar solhoi Hokimiyati Soveti ba khalqiyati sotsialisti tabdil yofta, iqtisodiyot va madaniyati milliro inkishof dodand.