Henry Bliss may refer to:
Henry H. Bliss (1830–1899), first person killed by an automobile in the US Henry E. Bliss (1870–1955), American librarian and creator of the Bliss bibliographic classification Henry Edward Ernest Victor Bliss (1869–1926), British traveller and philanthropist commonly known as Baron Bliss Henry Bliss (author) (1797–1873), Canadian author, lawyer and provincial agent for New Brunswick and Nova Scotia
See also Harry Bliss (born 1964), American cartoonist and illustrator William Henry Bliss (1835–1911), English scholar