Yakin Crimean wani rikici ne na soji da aka gwabza tsakanin shekarar 1853 zuwa 1856 tsakanin Rasha da kawancen Daular Usmaniyya, Faransa da Birtaniya. An dai gwabza yakin ne a yankin Crimea da ke yankin tekun Black Sea wanda ya yi sanadin fatattakar Rasha. Yakin dai ya samo asali ne sakamakon takaddama kan hakkin tsirarun mabiya addinin kirista a kasa mai tsarki, wadda a lokacin tana cikin daular Usmaniyya. Yakin yana da sakamako mai nisa, wanda ya hada da kawo karshen wasan kwaikwayo na Turai, sabunta daular Usmania, da bayyanar Italiya da Jamus a matsayin kasashe masu dunkulewa.