The cult of Mithras is counted among the mystery religions and in the first century AD, it spread from Persia to the Roman Empire. The next three centuries will be an important part of social and spiritual life in that area. As it spread through the Empire, it was also accepted in the province of Dalmatia, where it developed until the end of the fourth century, when Christianity became the new official religion of the Roman Empire. Various Dalmatian monuments testify that Mithra's cult was well represented, and by analyzing the subject and epigraphic sources, it is possible to make a judgment about Mithra's followers. A total of 42 epigraphic sources confirm the worship of Mithras in the province of Dalmatia. Among the mentioned sources, 34 followers have been confirmed and we have various information about them. The processed sample is small and not enough to be able to extract statistics that would present a society that worshiped Mitra, but there are still some results that are important not only for Dalmatia, but also for the Empire. The variety of finds is fascinating and proves that people from the area of the Dalmatian province really knew certain features of the Mithra myth. It is interesting to see the distribution of finds that confirm that the cult was widespread on the coast and in the interior of the province of Dalmatia. In addition, it is possible to draw different conclusions about the social position, origin, dating and gender of the followers, and the type of inscriptions on which they are mentioned.