Authors born in 1878
- A. E. Coppard Writer, 1878
- Adelaide Crapsey Poet, 1878
- Aino Kallas Author, 1878
- Alfred Doblin Novelist, 1878
- Alfred Edgar Coppard Writer, 1878
- Alfred Hajos Swimmer, 1878
- Amelia Josephine Burr Poet, 1878
- Arnold Leese Politician, 1878
- Arthur E. Morgan Engineer, 1878
- Arthur Frederick Saunders Officer, 1878
- Arthur Hopkins Theatre Director, 1878
- Arthur Saxon Strongman , 1878
- Augustus John Painter, 1878
- Carl Sandburg Poet, 1878
- Carlos Saavedra Lamas Jurist, 1878
- Charles R. Forbes Politician, 1878
- Claude Bowers Historian, 1878
- Don Marquis Humorist, 1878
- Edward Kasner Mathematician, 1878
- Edward Thomas Poet, 1878
- Egon Friedell Philosopher, 1878
- Eileen Gray Architect, 1878
- Eino Leino Poet, 1878
- Elizabeth Arden Businesswoman, 1878
- Ernest King Officer, 1878
- Esther Meynell Writer, 1878
- Galveston Giant Athlete, 1878
- Garet Garrett Journalist, 1878
- Gemma Galgani Saint, 1878
- Georg Kaiser Dramaturge, 1878
- George Arundale Theosophist, 1878
- George E. M. Kelly Pilot, 1878
- George M. Cohan Entertainer, 1878
- George Matthew Adams Columnist, 1878
- H. C. Bailey Author, 1878
- Harry Emerson Fosdick Pastor, 1878
- Herbert Kaufman Writer, 1878
- J. F. C. Fuller Military Historian, 1878
- James Truslow Adams Writer, 1878
- John Masefield Poet, 1878