Bruen is a surname. Notable people with the surname include:
Francis Bruen (died 1867), Member of the UK Parliament for Carlow 1835–1837, 1839 Henry Bruen: Henry Bruen (1741–1795), Irish politician, Member of the Parliament of Ireland for Jamestown 1783–1790 and County Carlow 1790–1795 Colonel Henry Bruen (1789–1852), Irish politician, Member of the UK Parliament for County Carlow 1812–1831, 1835–1837, 1840–1852 his son Henry Bruen (1828–1912), MP for County Carlow 1857–1880 Jack Bruen (1949–1997), American basketball coach John Bruen (1560–1625), English Puritan squire Ken Bruen (1951–2025), Irish writer
See also Bruen Stapleford, a civil parish in the unitary authority of Cheshire West, in England USS Sarah Bruen (1862), a wooden schooner acquired by the United States Navy during the beginning of the American Civil War New York State Rifle & Pistol Association, Inc. v. Bruen (NYSRPA v. Bruen), a Second Amendment landmark decision issued by the U.S. Supreme Court in 2022 Brune (disambiguation), including surname