Yakin Iran da Iraki , wanda ya gudana daga watan Satumba na 1980 zuwa Agusta 1988, wani gagarumin rikici ne tsakanin Iran da Iraki.An fara ne da mamayar Iraqi kuma ta ci gaba har tsawon shekaru takwas, inda ya kawo karshen amincewa da kuduri mai lamba 598 na kwamitin sulhu na MDD da bangarorin biyu suka yi.Iraki karkashin jagorancin Saddam Hussein, ta mamaye Iran ne da farko don hana Ayatullah Khumaini fitar da akidun juyin juya halin Iran zuwa Iraki.Akwai kuma damuwar Iraqi game da yuwuwar Iran na tunzura mabiya Shi'a mafi rinjaye a kan gwamnatin Ba'ath ta mabiya Sunni, wadanda ba ruwansu da addini.Kasar Iraki na da burin tabbatar da kanta a matsayin kasa mai karfin fada aji a Tekun Fasha, burin da ake ganin kamar ana iya cimmawa bayan juyin juya halin Musulunci na Iran ya raunana alakarta da Amurka da Isra'ila a baya.A lokacin rigingimun siyasa da zamantakewar juyin juya halin Iran, Saddam Hussein ya ga wata dama ta yin amfani da wannan rudani.Sojojin Iran, da suka yi karfi, juyin juya hali ya raunana sosai.Yayin da aka hambarar da gwamnatin Shah kuma dangantakar Iran da gwamnatocin yammacin duniya ta yi tsami, Saddam ya yi niyyar tabbatar da kasar Iraki a matsayin kasa mai karfin fada a ji a yankin Gabas ta Tsakiya.Burin Saddam ya hada da fadada hanyar Iraki zuwa Tekun Fasha da kuma kwato yankunan da aka yi rikici da Iran a baya a zamanin mulkin Shah.Muhimmin manufa ita ce Khuzestan, yanki mai yawan al'ummar Larabawa da rijiyoyin mai.Bugu da kari, Iraki tana da bukatu a tsibiran Abu Musa da Tunbu-Babba da Karami, wadanda ke da mahimmancin dabaru kuma suna da'awar bai daya a madadin Hadaddiyar Daular Larabawa.Har ila yau yakin ya samu rura wutar rikicin yankunan da aka dade ana yi, musamman kan hanyar ruwan Shatt al-Arab.Bayan shekara ta 1979, Iraki ta kara tallafawa 'yan awaren Larabawa a Iran da nufin dawo da iko da bankin Gabashin Shatt al-Arab, wanda ta amince wa Iran a yarjejeniyar 1975 ta Algiers.Da yake da kwarin guiwar sojojinsa, Saddam ya shirya kai wa Iran hari mai yawa, yana mai cewa sojojin Iraki za su iya isa Tehran cikin kwanaki uku.A ranar 22 ga watan Satumban shekarar 1980 ne aka fara aiwatar da wannan shiri a lokacin da sojojin Iraki suka mamaye kasar Iran, inda suka nufi yankin Khuzestan.Wannan mamayar dai ita ce mafarin yakin Iran da Iraki tare da kame gwamnatin Iran mai juyin juya hali.Sabanin tsammanin da Iraqi ke yi na samun nasara cikin gaggawa da ke amfani da hargitsin bayan juyin juya hali a Iran, ci gaban sojan Iraqi ya tsaya cik a watan Disamba na 1980. Iran ta sake dawo da kusan dukkanin yankunanta da ta bata a watan Yunin 1982. Ta ki amincewa da yarjejeniyar tsagaita bude wuta na Majalisar Dinkin Duniya, Iran ta mamaye Iraki, wanda ya kai shekaru biyar na shekaru biyar. Harin Iran.A tsakiyar 1988, Iraki ta kaddamar da manyan hare-hare, wanda ya haifar da rashin jituwa.Yakin ya haifar da gaggarumin wahala, tare da mutuwar kusan 500,000, ban da fararen hula da aka kashe a yakin Anfal da Kurdawan Iraki.Ya ƙare ba tare da rama ko canje-canjen iyaka ba, tare da ƙasashen biyu sun yi asarar sama da dalar Amurka tiriliyan 1 na asarar kuɗi.^{[112 <>]} Bangarorin biyu sun yi amfani da dakarun soji: Majalisar Resistance Iran ta sami goyon bayan Iraki da wasu dakarun sa kai na Larabawa, yayin da Iran ke kawance da kungiyoyin Kurdawa na Iraki.Taimakon kasa da kasa ya bambanta, tare da Iraki ta sami taimako daga kasashen yammacin Turai da Tarayyar Soviet da kuma mafi yawan kasashen Larabawa, yayin da Iran, mafi keɓantawa, tana goyon bayan Siriya, Libya,China , Koriya ta Arewa, Isra'ila, Pakistan , da Yemen ta Kudu.Dabarun yakin sun yi kama da yakin duniya na daya , ciki har da yakin basasa, amfani da makamai masu guba da Iraki ta yi, da kuma kai hare-hare kan fararen hula da gangan.Wani muhimmin al'amari na yakin shi ne yadda kasar Iran ta amince da yin shahada, lamarin da ya kai ga yawaitar kai hare-haren ta'addancin bil'adama, lamarin da ya yi tasiri matuka a fagen yaki.^[113]