Unstrut-Hainich-Kreis is a Kreis (district) in the north of Thuringia, Germany.

The district has a partnership with the Wetteraukreis in Hesse dating back to the German reunification of 1990.

The district is named after the river Unstrut and a hill chain, the Hainich.

The coat of arms combines the symbols of the historical territories which make up the area of the district.

In the top left is the eagle of the city Mühlhausen, in the top right the lion as the symbol of the dukes of Thuringia.