SF Commentary is a science fiction fanzine by Bruce Gillespie.
The first issue of SF Commentary appeared in January 1969. It has been published sporadically since then, missing the 1990s, but returning in the 2000s. The latest issue, #82, was released August 2011.
Contributors of photographs were Helena Binns, Jeanette Gillespie, Irwin Hirch (Thyme), Wendy Hirsh, Gary Hoff, Richard Hryckiewicz, Dick Jenssen, Cath Ortlieb, John Romeril, Yvonne Rousseau, George Turner, Michael Waite, and Toni Weisskopf.
Contributors of writing include Lenny Bailes, Gregory Benford, Doug Barbour, Jenny Blackford, Damien Broderick, Harry Buerkett, Stephen Campbell, Cy Chauvin, Elaine Cochrane, John Crowley, Richard Delap, Paul Ewins, John Foyster (Australian Science Fiction Review (second series)), Barry Gillam, Terry Green, Roslyn Kopel Gross, Amy Harlib, John Hertz, Steve Jeffery, Dick Jenssen, Rick Kennett, David Langford (Ansible), Stanislaw Lem, Michael Levy, Dave Locke (Awry, Time and Again), Rosaleen Love, Hank Luttrell (Starling), Lesleigh Luttrell (Quark, Starling), Race Mathews (Bacchanalia, Etherline), Ian Mond, Ian Nichols, Cath Ortlieb, Marc Ortlieb (The Australian Science Fiction Bullsheet, Tigger), Greg Pickersgill (Rastus Johnson's Cakewalk), Alex Robb, Yvonne Rousseau (Australian Science Fiction Review (second series)), John Sladek, Colin Steele, Alan Stewart (Thyme), Darko Suvin, George Turner, Paul Walker, Toni Weisskopf, and George Zebrowski.
SF Commentary has won the Ditmar Award for Best Fanzine for the years 1970, 1971, 1973, 1977, 1980 and 2002.
Since the 2000s, Bruce Gillespie has also co-edited Steam Engine Time with Janine Stinson.