Pia Gjellerup (born 22 August 1959) is a Danish politician representing the Social Democrats. She has been a Member of Parliament (Folketinget) since 8 September 1987 and has occupied three different cabinet positions: Justice Minister (25 January 1993 – 29 March 1993), Minister of Trade and Industry (23 March 1998 – 23 December 2000), and Finance Minister (21 December 2000 – 27 November 2001).

She is a solicitor by profession.