Oscar Fulton (March 22, 1843 – November 22, 1907) was an Ontario merchant and political figure.

He represented Stormont in the House of Commons of Canada as a Liberal-Conservative member from 1878 to 1882.

He was born in Cornwall Township in Canada West in 1843.

He operated a store, sawmill and tannery at Avonmore in partnership with his brother-in-law; they were also involved in the sale of lumber.

Fulton served with the Canadian Militia joining the Dickinson’s Landing Infantry Company on July 20, 1866 as a Lieutenant.