Orlacher Bach is a stream in Baden-Württemberg, Germany.

It is a tributary of the Kocher and is 4.6 kilometres (2.9 mi) long.

It is named for the small village of Orlach, which sits high above it.

The stream begins about a kilometer WSW of the village of Nesselbach.

Extreme weather led to the stream's overflowing its banks on May 29, 2016, contributing to considerable damage to the town of Braunsbach.