Maria do Carmo Silveira is the former Prime Minister of São Tomé and Príncipe, serving in that capacity from 2005-2006.
She was educated as an economist at the University of Ukraine and was the third governor of São Tomé and Príncipe's Central Bank from 1999 to 2005. She succeeded Carlos Quaresma Batista de Sousa and was succeeded by Arlindo Afonso Carvalho. She again served in this capacity from 2011 as the sixth governor succeeding Luís Fernando Moreira de Sousa.
She served as Prime Minister and Minister of Planning and Finance of São Tomé and Príncipe from June 8, 2005 to April 21, 2006. Silveira is a member of the Movement for the Liberation of São Tomé and Príncipe-Social Democratic Party (MLSTP-PSD) and was a member of the party executive board.
Today her Her Excellency is the Executive Secretary at Comunidade dos Países de Língua Portuguesa (CPLP).