A list of the Ambassadors of Brazil, or other heads of mission, to the United Kingdom:
| 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 - incumbent |