Blagrove is a surname. Notable people with the surname include:
Henry Blagrove (1887–1939), rear-admiral of the British Royal Navy Henry Blagrove (violinist), (1811–1872), English violinist Mark Blagrove, British psychogist researching sleep and dreams. Michael Blagrove (1934–2016), English athlete in the 1958 British Empire and Commonwealth Games William Blagrove (fl. early 19th century), bookseller, publisher and librarian in Boston, Massachusetts, U.S.
See also Blagrove Common, a Site of Special Scientific Interest in Green End, Hertfordshire