LI Army Corps was an infantry corps of the German Army during World War II that participated in the invasion of Yugoslavia. It was also present at the Battle of Stalingrad, where it was commanded by General Walther von Seydlitz-Kurzbach. After von Seydlitz-Kurzbach instructed his officers on 25 January 1943 that the question of surrender was their personal choice to make, he was relieved of command.