Abstract
Arabic dialogue systems or "conversational agents" are crucial subclass of natural language processing (NLP) that aims to interact with humans through an intelligent conversation using a natural language. These systems programmed to mimic human's behavior, and it caught the attention of many researchers of technology field in general and artificial intelligence field in particular. There are many English dialogue systems researches have been done in various fields while the Arabic dialogue systems researches are rare. In this work, we propose a review of the literature published in the field of Arabic dialogue systems to clarify the gaps facing those researches which can be an active area and a starting point for the researchers.