Authors born in 1870
- Adolf Loos Architect, 1870
- Albert J. Nock Philosopher, 1870
- Aleksandr Kuprin Writer, 1870
- Alexander Berkman Writer, 1870
- Alfred Adler Psychologist, 1870
- Alice Hegan Rice Novelist, 1870
- Alister MacKenzie Architect, 1870
- Amadeo Giannini Banker, 1870
- Amado Nervo Poet, 1870
- Arthur J. Lamb Lyricist, 1870
- Arthur P. Warner Inventor, 1870
- Benjamin Cardozo Lawyer, 1870
- Bernard Baruch Financier, 1870
- Bosie Author, 1870
- Burton J. Hendrick Author, 1870
- Chittaranjan Das Politician, 1870
- Chotoku Kyan Karateka, 1870
- D. T. Suzuki Author, 1870
- Dallas Lore Sharp Writer, 1870
- David Campbell Politician, 1870
- Edwin Osgood Grover Publisher, 1870
- Elias Burton Holmes Photographer, 1870
- Enos Mills Naturalist, 1870
- Frank Norris Journalist, 1870
- Harry Vardon Golfer, 1870
- Hector Hugh Munro Writer, 1870
- Joseph C.Lincoln Author, 1870
- Maria Montessori Physician, 1870
- Maurice Denis Painter, 1870
- Maxfield Parrish Painter, 1870
- Michael Rostovtzeff Historian, 1870
- Norbert Capek Founder, 1870
- Ray Stannard Baker Journalist, 1870
- Vladimir Lenin Revolutionary, 1870
- William Cameron Forbes Investment Banker, 1870
- William J. Seymour Evangelist, 1870