A list of the Ambassadors of Brazil, or other heads of mission, to the United Kingdom:
| Ambassador of Brazil to the United Kingdom | |
|---|---|
| Embaixador do Brasil no Reino Unido | |
 Coat of arms of Brazil | |
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| Ministry of Foreign Affairs | |
| Style | Mr Ambassador (informal) His Excellency (diplomatic) |
| Reports to | Minister of Foreign Affairs |
| Seat | 14-16 Cockspur Street SW1Y 5BL London |
| Appointer | The President with Senate advice and consent |
| Term length | No fixed term |
| Formation | 1823 |
| First holder | Manoel Pessoa, The Viscount of Itabaiana |
| Website | Embassy of Brazil in London |
| Name | Title | Service | Notes |
|---|---|---|---|
| Manoel Rodrigues Gameiro Pessoa, Viscount of Itabaiana | Minister Plenipotentiary | 1823 | |
| Felisberto Caldeira Brant, Marquis of Barbacena | Minister Plenipotentiary | 1824 | |
| Manoel Rodrigues Gameiro Pessoa | Minister Plenipotentiary | 1825 | |
| José Araujo Ribeiro, Viscount of Rio Grande | Minister Plenipotentiary | 1831 | |
| Manoel Antonio Galvão | Minister Plenipotentiary | 1835 | |
| Francisco Jê Acaiaba de Montezuma | Minister Plenipotentiary | 1840 | |
| José Marques Lisboa | Minister Plenipotentiary | 1841 | |
| Sergio Teixeira de Macedo | Minister Plenipotentiary | 1851–54 | |
| Francisco Ignácio de Carvalho Moreira | Minister Plenipotentiary | 1855–63 | |
| Francisco Ignácio de Carvalho Moreira | Minister Plenipotentiary | 1866–67 | |
| José Carlos de Almeida Arêas, Viscount of Ourem | Minister Plenipotentiary | 1868–73 | |
| Francisco Ignácio de Carvalho Moreira, Baron of Penedo | Minister Plenipotentiary | 1878–89 | |
| João Arthur Souza Corrêa | Minister Plenipotentiary | 1890–1900 | |
| Joaquim Nabuco | Minister Plenipotentiary | 1900 | |
| Francisco Régis de Oliveira | Minister Plenipotentiary | 1905–13 | |
| Eduardo Lisboa | Minister Plenipotentiary | 1913–14 | |
| Fontoura Xavier | Minister Plenipotentiary | 1913–20 | On 2 January 1919, the Brazilian legation in London was upgraded to an embassy. |
| Domício da Gama | Ambassador Extraordinary and Plenipotentiary | 1920–24 | First Brazilian ambassador to the UK. |
| Raul Régis de Oliveira | Ambassador | 1925–37 | |
| João Joaquim de Lima e Silva Moniz de Aragão | Ambassador | 1940–52 | |
| Samuel de Souza-Leão Gracie | Ambassador | 1952–56 | |
| Francisco de Assis Chateaubriand de Mello | Ambassador | 1957–61 | |
| José Cochrane de Alencar | Ambassador | 1961–63 | |
| Carlos Alves de Souza | Ambassador | 1964–66 | |
| Jayme Sloan Chermont | Ambassador | 1966–68 | |
| Sérgio Corrêa Affonso da Costa | Ambassador | 1968–74 | |
| Roberto Campos | Ambassador | 1975–82 | |
| Mario Gibson Alves Barboza | Ambassador | 1982–86 | |
| Celso de Souza e Silva | Ambassador | 1986–88 | |
| Paulo Tarso Flecha de Lima | Ambassador | 1990–93 | |
| Rubens Antonio Barbosa | Ambassador | 1994–99 | |
| Sérgio Silva Amaral | Ambassador | 1999–2001 | |
| Celso Luiz Nunes Amorim | Ambassador | 2001–02 | |
| José Maurício de Figueiredo Bustani | Ambassador | 2002–08 | |
| Carlos Augusto R. Santos-Neves | Ambassador | 2008–10 | |
| Roberto Jaguaribe | Ambassador | 2010–15 | |
| Eduardo dos Santos | Ambassador | 2015–18 | |
| Fred Arruda | Ambassador | 2018–23 | |
| Antonio Patriota | Ambassador | 2023–present |