Plassen may refer to:
Places Plassen, Alvdal, a village in Alvdal Municipality in Innlandet county, Norway Plassen, Trysil, a village in Trysil Municipality in Innlandet county, Norway Plassen Church, a church in Trysil Municipality in Innlandet county, Norway Plassen (Molde), a building located in the town of Molde in Molde Municipality, Møre og Romsdal county, Norway Plassen Formation, a geologic formation in Austria