Yakin Mu'tah (Larabci: مَعْرَكَة مُؤْتَة Maʿrakah Muʿtah, ko Larabci: غَزْوَة مُؤْتَة Ghazwah Muʿtah) yaƙi ne ko faɗa da aka yi a watan Satumba na 629 (1 Jumada al-Awwal 8 AH), kusa da ƙauyen Mu'tah, gabas na Kogin Urdun da Karak a cikin Karak Governorate, tsakanin sojojin Muhammad da sojojin daular Byzantine da mayaƙan Kiristocinsu na Larabawa. A cikin tushen tarihin Islama, galibi ana kwatanta yaƙin a matsayin yunƙurin musulmai na ɗaukar fansa a kan wani sarkin Ghassanid saboda ya kashe ran mai aike. A cewar majiyoyin Byzantine, Musulman sun shirya kaddamar da harin a ranar biki. The Byzantine Vicarius na yankin ya koyi tsare -tsarensu kuma ya tattara garuruwan garuruwa. Ganin adadi mai yawa na sojojin abokan gaba, Musulmai sun ja da baya zuwa kudanci inda aka fara fadan a ƙauyen Mu'tah kuma an fatattake su ko kuma sun yi ritaya ba tare da ɗaukar fansa kan sarkin Ghassanid ba. A cewar majiyoyin Musulmai, bayan an kashe shugabanninsu uku, an ba Khalid ibn al-Walid umurnin kuma ya yi nasarar ceton sauran sojojin.