Željka Antunović (pronounced [ʒɛ̂ːʎka antǔːnɔʋit͡ɕ]; born 15 September 1955) is a Croatian former politician who served as acting president of the Social Democratic Party between April and June 2007, and as Minister of Defence from 2002 until 2003 in the second cabinet of Ivica Račan. She was the first and to date only female holder of the office. After her retirement from politics, she started a consulting company. She took part in the Ivo Josipović's campaign for the 2014–15 Croatian presidential election.