Francisco Seixas da Costa, GCC, CMG, (Vila Real, 1948) is a retired Portuguese diplomat. He was also member of Portuguese governments. He is now consultant in the private sector and media commentator on international affairs.
1987-1989 - Portuguese chief negotiator of Lomé IV convention
1990-1993 - Deputy permanent representative to the Western European Union (WEU)
1995-2001 - Head of the Portuguese delegations to the Council of Europe (CoE), the Organisation for Economic and Development Co-Operation (OECD) and World Trade Organisation (WTO) ministerial meetings
1995/97 - Portuguese chief negotiator of the EU Amsterdam treaty
1997 - President of the Committee of ministers of the Schengen Agreement
2000 - President of the Council of ministers of the EU Internal Market
2000 - Portuguese chief negotiator of the EU Nice treaty
2001 - Vice-president of the UN Economic and Social Council (ECOSOC)
2001/02 - Chairman of the Second Committee (Economic and Financial affairs) of the 56th UN General Assembly
2002- Vice-president elected of the 57th UN General Assembly
2002 - President of the Permanent Council of the Organization for Security and Co-operation in Europa (OSCE)
2001/02 - Member of the Board of the United Nations Fund for Internationals Partnerships
"Diplomacia Europeia - Instituições, Alargamento e o Futuro da União" ("European Diplomacy - the institutions, the enlargement and the future of the Union"), Lisbon, 2002;
"Uma Segunda Opinião - Notas de Política Externa e Diplomacia" ("A Second Opinion - Notes on External Policy and Diplomacy"), Lisbon, 2006;
"As Vésperas e a Alvorada de Abril" ("The vespers and the April dawn"), Brasília, 2007;
"Tanto Mar? - Portugal, o Brasil e a Europa" ("So much sea? - Portugal, Brazil and Europe"), Brasília, 2008.
"Apontamentos" ("Notes"), Lisbon, 2008.
“A Cidade Imaginária” ("Imaginary City"), Vila Real, 2021.
"Antes que me esqueça - a diplomacia e a vida ("Before I forget - Diplomacy and Life"), Lisbon, 2023.