| Post: | Ambassador of Spain to Belgium |
| Insignia: | Escudo de España (mazonado).svg |
| Insigniasize: | 120px |
| Insigniacaption: | Coat of Arms of Spain |
| Department: | Ministry of Foreign Affairs |
| Incumbent: | Alberto Antón Cortés |
| Incumbentsince: | 27 September 2022 |
| Style: | His Excellency |
| Nominator: | Minister of Foreign Affairs |
| Appointer: | His Royal Majesty King Felipe VI |
| Deputy: | Deputy Chief of Mission at the Embassy of Spain to Belgium |
The Ambassador of Spain to Belgium is the Kingdom of Spain's foremost diplomatic representative in Belgium.
From 1599 to 1603, Baltasar de Zúñiga was ambassador of Philip III of Spain to the court of Isabella Clara Eugenia and Albert VII, Archduke of Austria at the Palace of Coudenberg (today Brussels Park). Until the referendum on Spain's membership in NATO, the ambassador in Brussels represented the Spanish Government before the North Atlantic Council and President of the Spanish mission before the European Atomic Energy Community. On 28 October 1965, José Núñez Iglesias was replaced by Alberto Ullastres Calvo as President of the Spanish mission to the European Common Market.
The ambassador is appointed to the Council of Ministers, they direct the work of all the offices that depend on the Embassy, based in Brussels. Likewise, it informs the Spanish Government about the evolution of events in Belgium, negotiates on behalf of Spain, can sign or ratify agreements, observes the development of bilateral relations in all fields and ensures the protection of Spanish interests and its citizens in Belgium.
The current ambassador is Alberto Antón Cortés, who was appointed by Pedro Sánchez's government on 27 September 2022.
| align=center valign=bottom width="10%" | Mission Start | align=center valign=bottom width="10%" | Mission End | align=center valign=bottom width="40%" | Name | valign=bottom width="40%" | Notes |
|---|---|---|---|---|---|---|---|
| [1] | |||||||
| Álvaro de Aguilar[2] | |||||||
| Carlos de Miranda y Quartín | [3] | ||||||
| José Núñez Iglesias | [4] | ||||||
| 1972 | [5] | ||||||
| 1976 | |||||||
| [6] | |||||||
| [7] | |||||||
| 1985 | 1990 | - | |||||
| 1990 | 1994 | - | |||||
| 1994 | 1997 | - | |||||
| 1997 | 2000 | - | |||||
| 2000 | 2004 | - | |||||
| 2004 | 2007 | - | |||||
| 2007 | 2010 | - | |||||
| 2010 | 2012 | - | |||||
| 2012 | 2016 | - | |||||
| 2016 | 2018 | - | |||||
| 2018 | 2022 | - | |||||
| 2022 | 2023 | - |