Namborn is a municipality located in the district of Sankt Wendel within the state of Saarland, Germany. It is situated approximately 7 km north of its district seat, Sankt Wendel, and lies roughly 25 km southwest of Idar-Oberstein.
The town is accessible via highway B 41 and the Nahe Valley Railway line, which are located about 40 km to the northeast of Saarbrücken. Additionally, Namborn is situated approximately 10 km from the Bostalsee.