Miss Brasil 2003 was the 49th edition of the Miss Brasil pageant, held on 2003-04-26 at Via Funchal in São Paulo, Brazil, serving as the national qualifier for Miss Universe 2003. The outgoing Miss Brasil 2002, Taíza Thomsen, crowned Gislaine Ferreira of Tocantins as the winner. The show was broadcast by Band, hosted by multiple presenters, and featured musical performances by Fábio Jr, Daniela Mercury, and Wanessa. After the event, press coverage questioned Ferreira’s eligibility regarding state representation; organizers stated her registration complied with the rules.