Yaƙin Rocroi wani gagarumin yaƙi ne da aka yi a ranar 19 ga Mayu, 1643, inda Sojojin Faransa a ƙarƙashin jagorancin Louis II de Bourbon, Yariman Condé, suka sami gagarumar nasara a kan Sojojin Spain da Francisco de Melo ya umarta. . Ana kallon yakin a matsayin wani sauyi a yakin shekaru 30 da aka yi kuma ya nuna farkon bayyanar Faransa a matsayin babbar kasar Turai. Kalmar "Yaƙin Rocroi" yana nufin musamman ga wannan al'amari na tarihi.