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.

James T. Smith Jr.
Smith in 2014
Secretary of Transportation of Maryland
In office July 15, 2013 – January 21, 2015
Preceded by	Darrell Mobley
Succeeded by	Pete K. Rahn
11th Baltimore County Executive
In office December 2, 2002 – December 6, 2010
Preceded by	Dutch Ruppersberger
Succeeded by	Kevin Kamenetz
Associate Judge on the Baltimore County Circuit Court, 3rd Judicial Circuit
In office 1985–2001
Member of the Baltimore County Council from District 3
In office 1978–1985
Preceded by	Clarence E. Ritter
Succeeded by	Dutch Ruppersberger
Personal details
Born	(1942-02-08) February 8, 1942 (age 82)
Political party	Democratic
Profession	Attorney

His political career began when he was elected to the Baltimore County Council in 1978, a position he served until he was appointed Associate Judge of the Circuit Court for Baltimore County in 1985. In 2001, Smith resigned as judge to run for County Executive.

After two terms in office, he joined his son's Towson law firm, Smith, Gildea & Schmidt. In May 2013, he left to become Maryland secretary of transportation under Gov. Martin O'Malley. He returned to the law firm in March 2015.^[1] In December 2016, he joined the cabinet of Baltimore Mayor Catherine Pugh as chief of strategic alliances, resigning in April 2019.^[2]

He has lived in Baltimore County for his entire life. He and his wife Sandy have four children and nine grandchildren.^{[citation needed]}