- JABLOKOV, Alexander
- JABLONSKY, William
- JABŁOŃSKI, Mirosław P.
- JACKA, Benedict
- JACKSON, Shelley
- JACKSON, Shirley
- JACOBS, Harvey
- JACOBY, Kate
- JACQUES, Brian
- JAKUBOVSKIJ, Askold
- JAMES, Peter
- JAMESON, Malcolm
- JANESHUTZ, Trish
- JANO, Tecu
- JANUSZ, Aleksandra
- JARMAN, Heather
- JAROSLAVCEV, S.
- JASUTAKA, Cucuji
- JEFREMOV, Ivan
- JEMCEV, Michail
- JEMISIN, N. K.
- JENNINGS, Gary
- JENNINGS, Phillip C.
- JENSEN, Gilbert M.
- JENSEN, Jan Lars
- JESCHKE, Wolfgang
- JETER, K. W.
- JIMENEZ, Simon
- JOHNSON, Alaya Dawn
- JOHNSON, Bill
- JOHNSON, Kij
- JOHNSON, Matthew
- JOHNSON, Oliver
- JOHNSON, Roger
- JOHNSTON, Cameron
- JOLLY, Tom
- JONES, Andy
- JONES, Diana Wynne
- JONES, Gwyn
- JONES, Gwyneth
- JONES, J. V.
- JONES, Langdon
- JONES, Neil
- JONES, Stephen Graham
- JONES, Terry
- JORDAN, Robert
- JOSHI, S. T.
- JOWETT, Simon
- JUFRJAKOV, Vladlen
- JURJEV, Zinovij