M.D. Lachlan

Wolfsangel  (Strange Horizons, 29 September 2010)

Jay Lake

Mainspring  (Interzone 212, September-October 2007)
Escapement  (Strange Horizons, 8 August 2008)

Pinion  (Strange Horizons, 6 August 2010) 

Kim Lakin-Smith

Cyber Circus  (Vector 270, late-Spring 2012)

David Langford

The Complete Critical Assembly & Up Through an Empty House of Stars  (SF Studies 97, November 2005)

Rob Latham (ed)

The Oxford Handbook of Science Fiction  (Los Angeles Review of Books, 7 November 2014)
Science Fiction Criticism  (Foundation 129, 2018)

Deborah Layne & Jay Lake (ed)

Polyphony 5  (Strange Horizons, 4 September 2006)
Polyphony 6  (Strange Horizons, 5 September 2007)

Ursula K. Le Guin

Writers of the Twenty-First Century: Ursula K. Le Guin edited by Joseph D. Olander & Martin Harry Greenberg  (Vector 98, June 1980)
Threshold   (Vector 100, December 1980)
Cheek By Jowl  (Strange Horizons, 2 July 2010) 

Tanith Lee

Vivia  (Vector 184, Summer 1995)

Yoon Ha Lee

Ninefox Gambit  (Shadow Clarke, 10 July 2017)

Fritz Leiber

Fritz Leiber: Selected Stories edited by Jonathan Strahan & Charles N. Brown (Interzone 230. September-October 2010)

Eleanor Lerman

The Stargazer's Embassy  (Strange Horizons, 12 March 2018)

Daniel J.H. Levack

PKD: A Philip K. Dick Bibliography, Revised Edition  (Vector 148, February-March 1989)

Daniel J.H. Levack & Mark Willard

Dune Master: A Frank Herbert Bibliography  (Vector 148, February-March 1989)

Alexander Levitsky (ed)

Worlds Apart: An Anthology of Russian Fantasy and Science Fiction  (Vector 255, Spring 2008)

Toby Litt

Journey into Space  (Interzone 221, March-April 2009)

Karen Lord

The Best of All Possible Worlds  (SF Site, July 2013)

Lilith Lorraine

Ape into Pleiades  (Vector 205, May-June 1999)

James Lovegrove

The Hope  (Vector 156, June-July 1990)

John Lymington

A Caller from Overspace   (Vector 95, October 1979)

David Lyon

The Information Society: Issues and Illusions  (Computer Weekly, 25 August 1988)