Themar is a town in the district of Hildburghausen, in the south of Thuringia, Germany. It is situated on the river Werra, 11 km northwest of Hildburghausen, and 14 km southwest of Suhl.
It was first named in 796 as Tagamari and today Themar consists out of the districts Wachenbrunn and Tachbach, with a population of about 2,900 inhabitants. The town church is the St Bartholomew's Church. The mayor of Themar since 2000 is Hubert Böse.