Henry Hoyt may refer to: Henry Hoyt (bookseller), 19th century publisher and bookseller in Boston, Massachusetts, USA Henry M. Hoyt (1830–1892), 18th governor of Pennsylvania, USA Henry M. Hoyt (Solicitor General) (1856–1910), solicitor general of the US and son of the above Henry Hamilton Hoyt Sr. (1895–1990), president of Carter products division of Carter-Wallace Henry Harrison Hoyt (1840–?), Wisconsin state assemblyman