Matthew Locke may refer to: Matthew Locke (administrator) (fl. 1660–1683), English Secretary at War from 1666 to 1683 Matthew Locke (composer) (c. 1621–1677), English Baroque composer and music theorist Matthew Locke (soldier) (1974–2007), Australian soldier killed in Afghanistan Matthew Locke (U.S. Congress) (1730–1801), Representative from North Carolina between 1793 and 1799 Matthew Fielding Locke (1824–1911), American politician in Texas