Thomas LeRoy Armstrong (born 1936 in Searsville, New Brunswick) is a Canadian businessman and politician. He was formerly the member of the Legislative Assembly of New Brunswick for the riding of Kings East.
In his youth he worked in the forestry, rail and grocery businesses before moving to Apohaqui, New Brunswick in 1965 and founding a trucking operation, which he merged into a larger operation in 1985 called Kingsco. Kingsco is still an active business of which Armstrong is a part.
A Liberal, he was first elected to the legislature in the 1995 election but was defeated in the 1999 election which saw the Liberals lose 35 seats to the Progressive Conservatives.
Armstrong was re-elected in 2003 and served for the duration of the 55th New Brunswick Legislative Assembly as opposition critic for agriculture
Armstrong was defeated in his bid for re-election in the 2006 election.
Armstrong currently serves as chairman of The Concerned Citizens Group.