Although Greek was the dominant epigraphic language in Cyrenaica throughout the Classical period, Latin was introduced by Roman merchants and administrators at the time of the formation of the province of Crete and Cyrene c. 67 BC, and remained in use, albeit by a constant minority, until at least the fourth century AD, with the last well-dated Latin inscription dating from the Valentinian dynasty. The aim of this article is to provide an overview of Latin inscriptions in the region, based on the IR Cyrenaica 2020 corpus, which brings together hitherto scattered documents and also includes many texts published for the first time. After a general overview of the corpus in terms of geographical, typological and chronological distribution, we will look at the linguistic landscape of ancient Cyrenaica, focusing on the multilingualism of the region, the literacy of the populations, the borrowings from one language to another (Latinisms), and the influences of the western provinces on the Latin of the region, among other topics. Lastly, a series of Latin funerary inscriptions allow us to examine the multiple identities claimed by the populations, as well as the cultural influences between Greek-, Latin- and Libyan-speaking populations.