DATE | NAME/MISSION |
| (Head of Delegation to the Commission of the European Communities) | |
| Raised to Ambassadorial Level with Presentation of Credentials to the President (Takes precedence following ambassadors) | |
| January 22, 1990 | Andreas van Agt, Appt. |
| February 5, 1990 | Amb. E. and P. |
| November 1, 1995 | Hugo Paemen, Appt. |
| February 6, 1995 | Amb. E. and P. |
| January 25, 2000 | Gunter Burghardt, Appt. |
| February 3, 2000 | Amb. E. and P. |
| December 4, 2004 | John Bruton, Appt |
| December 9, 2004 | Amb. E. and P. |
| July 16, 2010 | Joao P. Castanheira do Vale de Almeida, Appt. |
| August 10, 2010 | Amb. E. and P. |
Special Terms* [Amb.] E.E. and M.P.= Envoy Extraordinary and Minister Plenipotentiary [Charge d'Affaires] a.i.= ad interim Amb. E. & P. = Ambassador Extraordinary and Plenipotentiary | |
