Alyx

Alyx can refer to:

• Alyx Vance, a leading character in the Half-Life 2 world
• The Adventures of Alyx, a science fiction anthology by Joanna Russ
• Alyx, a sentient planet in the science fiction short story The Lonely Planet by Murray Leinster
• ALYX Component Collection System, a device for conducting apheresis in blood donation
• ALyX, a contestant on the second season of the American version of The Voice.