Sommerloch is a municipality in the district of Bad Kreuznach administrative region in Rhineland-Palatinate, in western Germany.

Sommerloch lies 12km northwest of Bad Kreuznach in the vicinity of the Nahe Valley, on the edge of the Soonwalds.

In the town on Weinbergstraße (Wine Mountain Street) is Saint Aegidius Roman Catholic church built in 1789.

Today the village is situated in a pleasant valley surrounded by hills planted with rows of grapes.

The German newsmedia term Sommerloch refers to a boring time in the summer when news is lacking.