Jasov (German: Joß; Hungarian: Jászó) is a small town and municipality in Košice-okolie District in the Kosice Region of eastern Slovakia. It is one of several towns in Bodva Valley. Other towns in Bodva Valley include: Lucia Bania, Medzev (Metzenseifen), Vyšný Medzev (Upper Metzenseifen), and Stos.