Lórien or Lorien may refer to:
J. R. R. Tolkien's legendarium Lothlórien, a forest realm in Middle-earth described in The Lord of the Rings Gardens of Lórien, the realm of the Vala Irmo in Valinor Lórien (Vala), the usual name for Irmo himself
Other uses Lorien (Babylon 5), a character from the science-fiction TV series Babylon 5 Lorien Novalis School a Waldorf school in Australia Lorien (Hambach Forest), a former treehouse colony of environmental activists in the Hambach Forest, Germany A fictional planet in the book series Lorien Legacies by Pittacus Lore