Boase is a surname. Notable people with the surname include:
Charles William Boase (1828–1895), British antiquarianFrederic Boase (1843–1912), British librarian and biographerGeorge Clement Boase (1829–1897), English bibliographer and antiquaryHenry Boase (1763–1827), English banker and authorHenry Samuel Boase (1799–1883), Cornish geologistT. S. R. Boase (1898–1974), art historian, university teacher, and Vice-Chancellor of Oxford UniversityWendy Boase (1944–1999), Australian co-founder of the children's publishing company Walker Books