Abstract: The subject of the reflection undertaken in the article is the performativity of religious language. The author explains its specificity, showing what is the performative function of language used in the religious space on the example of Roman Catholic liturgy. She explains what conditions must be met for religious speech acts to be valid and effective. She distinguishes and discusses two types of causative power of religious performatives: illocutionary and perlocutionary, pointing out that the effects they cause are related, on the one hand, to the linguistic action itself, and on the other hand, are extralinguistic. Going beyond the theory of speech acts, the author proposes that religious performatives, as they are an element of religious rites, be analyzed in the context of the ritual whole understood as a performance.