Authors born in 1804
- Allan Kardec Educator, 1804
- Alvin Adams Businessman, 1804
- Benjamin Disraeli Politician, 1804
- Carl Gustav Jacob Jacobi Mathematician, 1804
- Charles Augustin Sainte-Beuve Critic, 1804
- Eliza R. Snow Poet, 1804
- Elizur Wright Mathematician, 1804
- Emma Hale Leader, 1804
- Eugene Sue Writer, 1804
- Franklin Pierce President, 1804
- George Sand Writer, 1804
- John Gould Ornithologist, 1804
- Joseph Howe Journalist, 1804
- Nathaniel Hawthorne Writer, 1804
- Neal S. Dow Advocate, 1804
- Richard Owen Biologist, 1804
- Vicomte Delaunay Author, 1804