| 25 June 1847 |
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Treaty of Amity , Commerce and Navigation between Her Majesty and the Republic of Guatemala , with an Additional Article thereunto annexed |
| 20 February 1849 |
16 June 1849 |
Treaty of Friendship, Commerce, and Navigation, between Great Britain and Guatemala |
| 30 April 1859 |
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Convention between Great Britain and Guatemala, relative to the Boundary of British Honduras |
| 24 October 1862 |
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Treaty of Friendship , Commerce, and Navigation between Great Britain and Salvador |
| 6 January 1874 |
21 February 1876 |
Treaty between Great Britain and Honduras, for the Mutual Surrender of Fugitive Criminals |
| 4 July 1885 |
13 December 1886 |
Treaty between Great Britain and Guatemala, for the Mutual Surrender of Criminals |
| 21 January 1887 |
3 February 1900 |
Treaty of Friendship, Commerce and Navigation between the United kingdom and the Republic of Honduras With Explanatory Protocol |
| 21 January 1887 |
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Treaty between Great Britain and the Republic of Honduras for the Mutual Surrender of Fugitive Criminals |
| 5 March 1898 |
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Convention between Great Britain and the Republic of Costa Rica for the Reciprocal Protection of Trade Marks, &c |
| 20 July 1898 |
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Convention between the United Kingdom and Guatemala relative to Trade Marks |
| 2 May 1900 |
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Convention between the United Kingdom and the Republic of Honduras relative to Trade Marks |
| 5 May 1910 |
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Treaty of Commerce and Navigation between the United Kingdom and Honduras |
| 10 June 1910 |
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Exchange of Notes between the United Kingdom and Honduras Extending the Operation of the Treaty of Commerce and Navigation between the Two Countries of January 21, 1887, for a Period of Six Months from October 6, 1910 |
| 3 April 1912 |
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Exchange of Notes between the United Kingdom and Honduras Extending until April 6, 1913, the Operation of the Treaty of Commerce and Navigation between the Two Countries of January 21, 1887 |
| 30 May 1914 |
30 May 1914 |
Additional Protocol to the Treaty of Extradition between Great Britain and Guatemala, signed at Guatemala on 4 July 1885 |
| 6 May 1916 |
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Treaty between the United Kingdom and Nicaragua for the Regulation of the Turtle Fishing Industry in the Territorial Waters of Nicaragua as regards Fishing Vessels Belonging to Cayman Islanders |
| 27 February 1926 |
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Treaty respecting Commercial Relations |
| 22 February 1928 |
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Treaty of Commerce and Navigation between His Majesty in respect of the United Kingdom and the President of the Republic of Guatemala (with Exchanges of Notes) |
| 8 February 1930 |
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Exchange of Notes between His Majesty's Government in the Irish Free State and the Guatemalan Government in regard to Commercial Relations |
| 6 June 1931 |
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Convention between His Majesty's Government in the United Kingdom and the Government of Guatemala respecting Commercial Travellers and their Samples |
| 25 August 1931 |
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Exchange of Notes between His Majesty's Government in the United Kingdom and the Government of Guatemala respecting the Boundary between British Honduras and Guatemala |
| 28 September 1937 |
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Exchange of Notes between His Majesty's Government in Canada and the Guatemala Government regarding Commercial Relations |
| 28 September 1937 |
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Trade Agreement between His Majesty's Government in Canada and the Guatemala Government |