1809 in philosophy
| List of years in philosophy | 
|---|
1809 in philosophy
Events
Publications
- Jean-Baptiste Lamarck's Philosophie Zoologique
 - Friedrich Wilhelm Joseph Schelling's Philosophical Inquiries into the Essence of Human Freedom
 
Births
- January 4 - Louis Braille (died 1852)
 - February 12 - Charles Darwin (died 1882)
 - August 29 - Oliver Wendell Holmes Sr. (died 1894)
 - September 6 - Bruno Bauer (died 1882)
 
Deaths
- June 8 - Thomas Paine (born 1737)