The Holzbach () is a stream in the state of Saarland, Germany, in the uplands of the Schwarzwälder Hochwald. It flows into the at , a district of Wadern.
The Holzbach rises in the Hunsrück mountains at a height of north of Weiskirchen and empties into the Losheimer Bach at at a height of .
The Holzbach flows through the following settlements: