Kelbra (German: [ˈkɛlbʁa] ) is a town the Mansfeld-Südharz district, in Saxony-Anhalt, Germany. It is situated north of the Kyffhäuser mountains, approx. 20 km west of Sangerhausen, and 20 km east of Nordhausen. Kelbra is part of the Verbandsgemeinde Goldene Aue.

Kelbra lies on the northern slopes of the Kyffhäuser mountains in the Goldene Aue. The B 85 federal road starts in the neighbouring village of Berga and runs through Kelbra over the Kyffhäuser to Passau.

Due to the proximity of the Kelbra Dam and the Kyffhäuser, the town is a type of tourist centre, but suffers from heavy day traffic, especially motorcycles, because the road climbing up to the Kyffhäuser starts here.

Nearby are the Barbarossa Cave and the Peasants' War Panorama in Bad Frankenhausen.

The villages of Sittendorf, Tilleda (Kyffhäuser) and Thürungen belong to the municipality of Kelbra.

Berga-Kelbra station, which is on the Halle–Hann. Münden railway is located nearby in Berga.

Kelbra is twinned with the English village of Frampton Cotterell and the German town of Bad Salzdetfurth.

• Paul Carell (1911–1997), journalist