Gideon Adams (February 11, 1755 – June 20, 1834) was a farmer, soldier, and politician in Upper Canada, British North America, British Empire, now Ontario, Canada.

Gideon Adams was born in Connecticut, in 1755 and moved with his family, in 1764, to Arlington, in the New Hampshire Grants.

Following the war, along with other, Loyalist families, Gideon Adams and his family settled in Edwardsburg Township, later moving to South Gower Township, Upper Canada, British North America, British Empire, now North Gower Township, Ontario, Canada in 1818.

Adams was named a justice of the peace, in the Eastern District of Ontario in 1796.

Gideon Adams died, in South Gower Township, Upper Canada, in 1834.