Tirschenreuth (Northern Bavarian: Landgreis Tirschenreith) is a Landkreis (district) in the northeastern part of Bavaria, Germany.

Neighboring districts are (from the south, clockwise) Neustadt an der Waldnaab, Bayreuth and Wunsiedel.

To the east are the Czech districts of Tachov (Plzeň) and Cheb (Karlovy Vary).

The golden lion in the left of the coat of arms is the symbol of the Electorate of the Palatinate.

The blue bar in the bottom right is the symbol of the landgraves of Leuchtenberg, parts of the historically owned by them was included into the district in 1972.