Jo
- Marie-Elena John, (born 1963)
- Nancy John (a pseudonym of Nancy Buckingham and John Sawyer)
- Michael Johns, (born 1964)
- Denis Johnson
- George Clayton Johnson, (born 1929)
- Irving Johnson, (1905–1991)
- Samuel Johnson, (1709–1784)
- Susan Johnson
- Joan Johnston
- Linda O. Johnston
- Eugene Jolas, (1894–1945)
- Annie Jones (a pseudonym of Catherine Jones in collaboration)
- Catherine Jones
- D. F. Jones
- Diana Wynne Jones, (1934–2011)
- Graham Jones (English author)
- Graham Jones (Australian author)
- Raymond F. Jones, (1915–1994)
- Thom Jones
- Ben Jonson
- Penny Jordan (born 1946) (pseudonym of Penelope Jones Halsall)
- Robert Jordan (Author of The Wheel of Time)
- Brenda Joyce
- James Joyce, (1882–1941)
Read more about this topic: List Of Authors By Name: J