James T. Smith Jr. (born February 8, 1942) is an American politician who served as Secretary of Transportation of Maryland under Governor Martin O'Malley from 2013 to 2015.

A member of the Democratic Party, he previously served as Baltimore County Executive from 2002 to 2010.

He succeeded Dutch Ruppersberger who was elected to the United States House of Representatives; his successor was former County Councilman Kevin B. Kamenetz.

After two terms in office, he joined his son's Towson law firm, Smith, Gildea & Schmidt.

[1] In December 2016, he joined the cabinet of Baltimore Mayor Catherine Pugh as chief of strategic alliances, resigning in April 2019.