Juyin Juyin Oktoba, wanda kuma aka sani da juyin juya halin Bolshevik, juyin juya hali ne a Rasha karkashin jagorancin Bolshevik Party na Vladimir Lenin wanda shine muhimmin lokaci a cikin babban juyin juya halin Rasha na 1917-1923.Shi ne karo na biyu na juyin juya hali na gwamnati a Rasha a shekara ta 1917. Ya faru ta hanyar tawaye da makamai a Petrograd (yanzu Saint Petersburg) a ranar 7 ga Nuwamba 1917. Wannan shi ne abin da ya faru na yakin basasa na Rasha .Abubuwan da suka faru sun zo kan gaba a cikin faɗuwar rana yayin da Directorate, karkashin jagorancin jam'iyyar Socialist Revolutionary Party, ke iko da gwamnati.'Yan Bolshevik na hagu ba su ji dadin gwamnati ba, kuma sun fara yada kiraye-kirayen tayar da sojoji.A ranar 10 ga Oktoban 1917, Tarayyar Soviet ta Petrograd, karkashin jagorancin Trotsky, ta kada kuri'ar goyon bayan wani boren soja.A ranar 24 ga Oktoba, gwamnati ta rufe jaridu da dama tare da rufe birnin Petrograd a wani yunƙuri na hana juyin juya hali;kananan rigingimun dauke da makamai sun barke.Washegari wani gagarumin tashin hankali ya barke yayin da rundunar sojojin ruwa na Bolshevik suka shiga tashar jiragen ruwa kuma dubun dubatar sojoji suka tashi don nuna goyon bayansu ga Bolshevik.Dakarun Red Guards na Bolshevik a karkashin kwamitin soja da juyin juya hali sun fara mamaye gine-ginen gwamnati a ranar 25 ga Oktoba 1917. Washegari, an kama fadar ta lokacin sanyi.Da yake ba a san juyin juya halin Musulunci a duniya ba, kasar ta fada cikin yakin basasar Rasha, wanda zai ci gaba har zuwa shekarar 1923 kuma daga karshe ya kai ga kafa Tarayyar Soviet a karshen shekarar 1922.