Grenz

Grenz may refer to:


 * Grenz (surname), a German surname
 * Grenz infantry, light infantry troops from the Military Frontier in the Habsburg monarchy
 * Grenz rays, part of the electromagnetic spectrum comprising low energy (ultrasoft) X-rays
 * Grenz-Echo, a German language daily newspaper published in Eupen, Belgium
 * Grenz, a quarter of Esch-sur-Alzette, Luxembourg