Reserve Police Battalion 101 was a unit of the German Ordnungspolizei, formed in 1940. It was primarily composed of middle-aged men who were not part of the regular military. The battalion was involved in the implementation of the Holocaust in occupied Poland, participating in mass shootings and deportations of Jewish populations. The battalion operated under the command of the German Police and was responsible for various police duties, including maintaining order in occupied territories. Its actions have been documented in historical studies, highlighting the role of ordinary individuals in the atrocities committed during the Nazi regime.