Petar Mišić (21 March 1863 – 29 May 1921) was a Serbian and Yugoslav general. He is one of the several main leaders of the May Coup, in which King Aleksandar Obrenović was killed in 1903. After he retired in 1906 at the request of the English, he entered politics. He was a prominent opponent of the Black Hand and the president of the court panel at the Salonica trial in 1917.