David Alexander Ross, QC (March 12, 1819 – July 23, 1897) was a lawyer, businessman and political figure in Quebec.
He studied with Daniel Wilkie and at the Petit Séminaire de Québec.
Ross went on to article as a lawyer, was called to the bar in 1848 and set up practice at Quebec City, in partnership with Andrew Stuart.
Ross was also lieutenant-colonel in the militia and was president of the Literary and Historical Society of Quebec from 1883 to 1884.
In 1887, Ross was named to the Legislative Council of Quebec for Golfe division.