Alpha 9 is a science fiction anthology edited by American writer Robert Silverberg, first published in 1978.

• Introduction by Robert Silverberg
• "Dumb Waiter" by Walter M. Miller, Jr.
• "The Monsters" by Robert Sheckley
• "The Sliced-Crosswise Only-On-Tuesday World" by Philip Jose Farmer
• "The Funeral" by Kate Wilhelm
• "The Book" by Michael Shaara
• "Dusty Zebra" by Clifford D. Simak
• "Goodlife" by Fred Saberhagen
• "Nobody's Home" by Joanna Russ

• Goodreads listing for Alpha 9
• MIT Science Fiction Society's Library Pinkdex Entry for Alpha 9