Rikicin Samarra wani lokaci ne na rashin kwanciyar hankali na cikin gida daga shekara ta 861 zuwa 870 a tarihin khalifancin Abbasiyawa, wanda ke da alamar tashin hankali na halifofin halifofi hudu, wadanda suka zama 'yan tsana a hannun kungiyoyin sojoji masu adawa da juna.Kalmar ta samo asali ne daga babban birnin da kuma wurin zama na kotun halifa, wato Samarra.An fara "anarchy" a cikin 861, tare da kisan Halifa al-Mutawakkil da masu gadinsa na Turkiyya.Magajinsa, al-Muntasir, ya yi mulki na tsawon watanni shida kafin rasuwarsa, wanda ta yiwu hafsoshin sojin Turkiyya sun saka masa guba.Al-Musta’in ne ya gaje shi.Rarrabuwar da aka samu a cikin shugabancin sojan Turkiyya ya baiwa Musta'in damar tserewa zuwa Bagadaza a shekara ta 865 tare da goyon bayan wasu hafsoshin Turkiyya (Bugha Karami da Wasif) da shugaban 'yan sanda da gwamnan Bagadaza Muhammad, amma sauran sojojin Turkiyya sun zabi wani sabon salo. Halifa a cikin al-Mu'tazz kuma ya kewaye Bagadaza, wanda ya tilasta mamaye birnin a 866. Musta'in ya yi hijira kuma aka kashe shi.Mu'tazz ya kasance mai iyawa da kuzari, kuma ya yi kokarin sarrafa hafsoshin soja tare da cire sojoji daga aikin farar hula.An yi adawa da manufofinsa, kuma a cikin Yuli 869 shi ma an cire shi kuma aka kashe shi.Shi ma magajinsa, al-Muhtadi, ya yi ƙoƙarin tabbatar da ikon Halifa, amma shi ma an kashe shi a watan Yuni 870.