Baron Pyotr Nikolayevich Wrangel (Russian: Пётр Николаевич Врангель [ˈpʲɵtr nʲɪkɐˈlajɪvʲɪtɕ ˈvranɡʲɪlʲ]; August 27 [O.S. August 15] 1878 – 25 April 1928) was a Russian military officer of Baltic German descent. A veteran of the Russo-Japanese War and World War I, he rose to become a commanding general in the anti-Bolshevik Volunteer Army during the Russian Civil War. In 1920, he became the last commander-in-chief of the White forces in Southern Russia, which he reorganized as the Russian Army.
After graduating as a mining engineer, Wrangel volunteered for service in the Russo-Japanese War, where he decided on a military career. A graduate of the Imperial General Staff Academy, he distinguished himself during World War I, becoming one of the first Russian officers to be awarded the Order of St. George for heroism. He rose to the rank of major general.