Juyin mulkin soja na Pakistan na 1958, wanda ya faru a ranar 27 ga Oktoba 1958, ya zama juyin mulkin soja na farko na Pakistan.Hakan ya kai ga hambarar da shugaban kasar Iskandar Ali Mirza daga hannun Muhammad Ayub Khan, babban hafsan soji na lokacin.Tun bayan juyin mulkin, rashin zaman lafiyar siyasa ya addabi Pakistan, tare da firaministan kasar da dama tsakanin 1956 zuwa 1958. Tashin hankali ya kara tsananta saboda bukatar Gabashin Pakistan na neman shiga tsakani a harkokin mulkin tsakiya.A cikin wadannan tashe-tashen hankula, Shugaba Mirza, wanda ya rasa goyon bayan siyasa da kuma fuskantar adawa daga shugabanni irin su Suhrawardy, ya koma ga sojoji don samun goyon baya.A ranar 7 ga Oktoba, ya ayyana dokar ta-baci, ya rusa kundin tsarin mulki, ya kori gwamnati, ya rusa majalisar dokokin kasa da na larduna, da kuma haramta jam’iyyun siyasa.An nada Janar Ayub Khan a matsayin Babban Jami’in Shari’a na Martial kuma an zabi shi a matsayin sabon Firayim Minista.Duk da haka, kawancen da ke tsakanin Mirza da Ayub Khan bai daɗe ba.A ranar 27 ga Oktoba, Mirza, jin girman girman Ayub Khan ya ware shi, yayi ƙoƙarin tabbatar da ikonsa.Akasin haka, Ayub Khan, yana zargin Mirza da shirya masa makarkashiya, ya tilasta wa Mirza yin murabus, ya kuma zama shugaban kasa.Tun farko dai an yi marhabin da juyin mulkin a Pakistan, inda ake kallonsa a matsayin hutu daga rashin kwanciyar hankali na siyasa da shugabanci mara inganci.Akwai kyakkyawan fata cewa kwakkwaran jagorancin Ayub Khan zai daidaita tattalin arzikin kasa, zai inganta zamanantar da jama'a, sannan kuma a karshe ya maido da mulkin dimokradiyya.Gwamnatinsa ta samu tallafi daga gwamnatocin kasashen waje, ciki har da Amurka .