Alex may refer to:
- Alex, a character in lonelygirl15.
- Alex Arthurs, the actor who plays Chane in LonelyJew15 and RutEarth29.
- Alex Ayling, a fan who made a cameo in KateModern.
- Alexander Brown, the actor who plays Charlie's boss in KateModern.
- Alexandra Dreyfus, the actress who plays Sarah in lonelygirl15 and LG15: The Resistance.
- Alexandra Weaver, the actress who plays Kate in KateModern.
- Alex Widdison, the actor who plays a party guest in KateModern.
- A character from the LG15: The Show Is Yours Pilot Submission The Thousand Year Fight.