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

• 44597 Thoreau, a minor planet
• Thoreau Society
• Mélissa Theuriau (born 1978), French journalist

This disambiguation page lists articles associated with the title Thoreau.
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