This article lists General Elections in the British colony of the Province of New Brunswick from 1784 to its entry into the Canadian Confederation in 1867. Prior to 1784, New Brunswick was Sunbury County, Nova Scotia and it returned members to the Nova Scotia House of Assembly.

For elections after Confederation, see List of New Brunswick general elections (post-Confederation).

• 21st General Election: May–June, 1866. The Government was formed of 33 pro-confederation MLAs, with 8 anti-confederation MLAs forming the opposition.
• 20th General Election: February–March, 1865
• 19th General Election: June, 1861
• 18th General Election: April–May, 1857
• 17th General Election: June–July, 1856
• 16th General Election: June, 1854
• 15th General Election: June–July, 1850
• 14th General Election: October, 1846
• 13th General Election: December, 1842-January, 1843
• 12th General Election: September–October, 1837
• 11th General Election: December, 1834-January, 1835
• 10th General Election: October, 1830
• 9th General Election: June, 1827
• 8th General Election: June, 1820
• 7th General Election: October, 1819
• 6th General Election: August–September, 1816
• 5th General Election: September–October, 1809
• 4th General Election: October–November, 1802
• 3rd General Election: August–September, 1795
• 2nd General Election: December, 1792-January, 1793
• 1st General Election: November–December, 1785