 Dietschweiler had its first documentary mention in an original document in 1465 as "Dyetzwiller".Later forms of the name that the village bore were "Diezwiller" (1477), "Dutschwiller" (1563) and "Ditzweyller" (1726).Likewise, the name Nanzweiler is believed originally to have meant “Nando’s (or Nanzo’s) Homestead”.