Countess Júlia Hunyady de Kéthely (Serbian: Јулија Хуњади де Кетељ; 26 August 1831 – 19 February 1919), was a Hungarian noblewoman and the Princess consort of Serbia as the wife of Prince Mihailo Obrenović III. She remained a widow for seven and a half years after his assassination in 1868, until January 1876 when she married her lover, Duke Karl von Arenberg, Prince von Recklinghausen.