Boase is a surname. Notable people with the surname include:
Charles William Boase (1828–1895), British antiquarian
Frederic Boase (1843–1912), British librarian and biographer
George Clement Boase (1829–1897), English bibliographer and antiquary
Henry Boase (1763–1827), English banker and author
Henry Samuel Boase (1799–1883), Cornish geologist
T. S. R. Boase (1898–1974), art historian, university teacher, and Vice-Chancellor of Oxford University
Wendy Boase (1944–1999), Australian co-founder of the children's publishing company Walker Books