Alpha 6 is a science fiction anthology edited by American writer Robert Silverberg, first published in 1976 with an original cover by Richard M. Powers.

• Introduction by Robert Silverberg
• "The Lost Continent" by Norman Spinrad
• "Light of Other Days" by Bob Shaw
• "The Secret of Old Custard" by John Sladek
• "Down among the Dead Men" by William Tenn
• "With These Hands" by C.M. Kornbluth
• "Short in the Chest" by Idris Seabright
• "Brown Robert" by Terry Carr
• "The Food Farm" by Kit Reed
• "An Honorable Death" by Gordon R. Dickson
• "Man of Parts" by Horace L. Gold
• "Painwise" by James Tiptree

• Goodreads listing for Alpha 6
• MIT Science Fiction Society's Library Pinkdex Entry for Alpha 6