| Years in Canada: | 1787 1788 1789 1790 1791 1792 1793 |
| Centuries: | 17th century · 18th century · 19th century |
| Decades: | 1760s 1770s 1780s 1790s 1800s 1810s 1820s |
| Years: | 1787 1788 1789 1790 1791 1792 1793 |
Events from the year 1790 in Canada.
Incumbents
- Monarch: George III
Governors
- Governor of the Canadas: Guy Carleton, 1st Baron Dorchester
- Governor of New Brunswick: Thomas Carleton
- Governor of Nova Scotia: John Parr
- Commodore-Governor of Newfoundland: John Elliot
- Governor of St. John's Island: Edmund Fanning
Events
- British Captain George Vancouver begins his three-year survey of northwest coast of North America
- Spain signs the Nootka Convention, ceding the Pacific Northwest to England and the United States.
- October 7 New York consents to Vermont's admission to the Union, with cessation of New York's jurisdiction, in the disputed territory.
- Lower Canada is divided into three districts, instead of two.