Herbert Panknin (27 December 1913 in Neustettin – 15 March 2001 in Langen-Sievern) was a German chief engineer (Leitender Ingenieur abbreviated LI) on a U-boat in World War II and recipient of the Knight's Cross of the Iron Cross (). The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.