I-K
- Conn Iggulden (born 1971)
- Yasushi Inoue (born 1907)
- Kazuo Ishiguro (born 1954)
- Christian Jacq (born 1947)
- John Jakes (born 1932)
- George Payne Rainsford James (1799-1860)
- Rosemary Hawley Jarman (born 1935)
- Michael Jecks (born 1960
- Gary Jennings (1928–1999)
- John Edward Jennings (1906–1973)
- Alois Jirásek (1851–1930)
- Marie-Elena John (born 1963)
- Erica Jong (born 1942)
- Amita Kanekar (born 1965)
- Kathleen Kellow (1906–1993), pseudonym of Eleanor Hibbert
- Debra Kemp (born 1957)
- Alexander Kent, pseudonym of Douglas Reeman
- Charles Kingsley (1819–1875)
- Julie Klassen
- Bernard Knight (born 1931)
- Józef Ignacy Kraszewski (1812–1887)
- Giles Kristian (born 1975)
- Jaan Kross (1920–2007)
Read more about this topic: List Of Historical Novelists