PLEX or Plex may refer to:
PLEX (programming language), a special-purpose, concurrent, real-time programming language Plex Inc., an American company that develops a client–server media player platform and streaming media services Plex Systems, a software company based in Troy, Michigan IBM Plex, an open source typeface superfamily Pangasinan Link Expressway, a proposed expressway in the Philippines Pilot License Extension, an item in the video game Eve Online that adds game time to an account Plasma exchange, a type of plasmapheresis where patient's blood plasma is removed and blood products are given in replacement Plex, a robotic character on the children's television series Yo Gabba Gabba! See also