Liga Sancta (kwa Kilatini ni sawa na "Mshikamano Mtakatifu") ni jina la makubaliano mbalimbali ya kijeshi kati ya nchi kadha za Ulaya kwa msingi wa dini, hasa kama yalihimizwa na Papa fulani. Mifano yake ni kama vile: Holy League (1495) League of Cambrai Holy League (1538) Holy League (1571) Holy League (1684) Holy League (1717)