Peter Karl Ott von Bátorkéz (1738 – 10 May 1809) was a military officer in the armies of the Habsburg Monarchy. Of Hungarian origin, Ott fought in the wars against the Kingdom of Prussia, Ottoman Turkey, and the First French Republic in the last half of the 18th century. During the French Revolutionary Wars, he rose in rank to general officer and twice campaigned against the army of Napoleon Bonaparte in Italy. He played a key role in the Marengo campaign in 1800. He was Proprietor (Inhaber) of an Austrian Hussar regiment from 1801 to 1809.