Károly Leiningen-Westerburg (German: Karl August Graf zu Leiningen-Westerburg; 11 April, 1819, Ilbenstadt - 6 October, 1849, Arad) was a honvéd general in the Hungarian Army. He was executed for his part in the Hungarian Revolution of 1848, and is considered one of the 13 Martyrs of Arad.