GiselherGiselher, Gisilher, Gisiler, or Giseler is a Germanic masculine given name. It may refer to:Giselher of Burgundy, Burgundian kingGisilher , German ecclesiasticGiselher Klebe, German composerGiselher Schubert, German musicologistGiselher Wilke, German army officerGiselher Wirsing, right-wing German journalist, author, and foreign policy expert