Otto Kirchner was an Obersturmführer (First Lieutenant) in the Waffen SS during World War II. He was awarded the Knight's Cross of the Iron Cross, which was awarded to recognize extreme battlefield bravery or successful military leadership by Nazi Germany during World War II. Obersturmführer Otto Kirchner was awarded the Knight's Cross on the 21 April 1944, when with the HQ Squadron, 16th SS Cavalry Regiment, 8th SS Cavalry Division Florian Geyer. He did not survive the war but was killed in the closing days on the 3 May 1945.