Count Pyotr Petrovich Palen (Russian: Пётр Петрович Пален, Peter von der Pahlen; 1778-1864) was a Russian noble and a general of the Imperial Russian Army.
Pyotr was born into the House of Pahlen noble family of Baltic German origin. His family had a baronetcy until Emperor Alexander I of Russia bestowed Pyotr's father, Peter Ludwig von der Pahlen, with the title count for him and his sons. who was an organiser of the assassination of the tsar. Pyotr's brother was Russian diplomat Fyodor Palen, Pyotr
Joining the army at an early age, Palen in 1798 he was promoted to the rank of Colonel and in 1800 to Major General.
Highly decorated for his command in the Polish campaign of the Napoleonic Wars (1806-1807), he retired from service in 1823. Recalled to the army in 1828 for the Russo-Turkish War, he also was a high-ranking Russian commander during the subsequent November Uprising, and notably the Battle of Warsaw (1831).
Palen also served as Russian ambassador to the Kingdom of France from March 11, 1835 to April 8, 1841.