Neustadt an der Waldnaab is a Landkreis (district) in Bavaria, Germany.

It is bounded by (from the south and clockwise) the districts of Schwandorf, Amberg-Sulzbach, Bayreuth and Tirschenreuth, and by the Czech Republic (Plzeň Region).

The city of Weiden in der Oberpfalz is enclosed by, but does not belong to the district.

The district is located in the mountains of the Upper Palatine Forest (Oberpfälzer Wald).

The two headstreams of the River Naab, the Waldnaab and Haidenaab, both run through the district to merge in the south of the area.