James Joseph Hughes (August 15, 1856 – March 5, 1941) was a Canadian politician.
Born in St. Mary's Road, Prince Edward Island, Hughes was the son of Irish parents. He was educated at the Log School House in St. Mary's Road and was a graduate of St. Dunstan's College in Charlottetown.
A merchant, he was first elected to the Canadian House of Commons for the electoral district of King's in the general elections of 1900. A Liberal, he was re-elected in 1904 but was defeated in 1908. He was elected again in 1911 and was defeated in 1917. He was elected again in 1921. In 1925, he was summoned the Senate of Canada representing the senatorial division of King's, Prince Edward Island on the advice of Prime Minister Mackenzie King. He served until his death in 1941.
His granddaughter, Eileen Rossiter, was also a senator.