Bruce Thomas (born 14 August 1948, Stockton-on-Tees, England) is best known as bassist for the Attractions; the band formed in 1977 to back Elvis Costello in concert and on record.

Thomas Bruce may refer to:

• Thomas Bruce, 7th Earl of Elgin (1766–1841), British nobleman and diplomat
• Thomas Bruce, 2nd Earl of Ailesbury (1656–1741), 3rd Earl of Elgin, British peer, M.P. for Marlborough, 1679–1681, and Wiltshire, 1685
• Thomas Bruce, 1st Baron of Clackmannan (died 1358/59)
• Thomas Bruce (soldier and politician) (1738–1797), British Member of Parliament for Marlborough, 1790–1796, and Great Bedwyn, 1796–1797
• Thomas Charles Bruce (1825–1890), British Member of Parliament for Portsmouth, 1874–1885
• Thomas R. Bruce, co-founder of the Legal Information Institute and author of Cello, the first web browser for Microsoft Windows
• Thomas Bruce (cricketer) (born 1983), English cricketer
• Thomas Bruce, 1st Earl of Elgin (1599–1663), Scottish nobleman