James Dalzell, 3rd Earl of Carnwath (1648–1683) was a Scottish nobleman.
He was the son of Gavin Dalzell, 2nd Earl of Carnwath and Margaret Carnegie.
He succeeded to his father's title of Earl of Carnwath in June 1674.
[1] In January 1682 he sold the estate of Carnwath to Sir George Lockhart.
[2] He died in 1683, without male issue, and his titles were inherited by his younger brother, John Dalzell.