Henry David Thoreau (1817–1862) was an American author, naturalist, transcendentalist, tax resister, development critic, and philosopher.
Thoreau may also refer to: Thoreau, New Mexico, United States Thoreau: A Sublime Life, a 2012 comic book about the philosopher Thoreau MacDonald (1901–1989), Canadian illustrator, designer and painter H. D. Thoreau, Jr. (1923–2007), track and field authority
See also 44597 Thoreau, a minor planet Thoreau Society Mélissa Theuriau (born 1978), French journalist