James Augustus Stewart (November 24, 1808 – April 3, 1879) was an American politician and jurist.

[3] Stewart was an unsuccessful candidate for election in 1838 to the Twenty-sixth Congress, and served as a member of the Maryland House of Delegates, representing Dorchester County, from 1843 to 1845.

[1][3] Stewart was not a candidate for renomination to Congress in 1860, and resumed his law practice and farming in Cambridge.

[1][2][5] Stewart was a large land owner in Dorchester County and various shipping vessels.

[3][6] Stewart died from "cancer in the face" on April 3, 1879, at his home in Cambridge.