The Finnish Antiquarian Society (Finnish: Suomen Muinaismuistoyhdistys) is a scholarly society for the purpose of promoting archaeological, ethnological, art-historical and cultural-historical research concerning Finland and other Finno-Ugrian regions and peoples.
The society publishes four peer-reviewed book series; Suomen Muinaismuistoyhdistyksen Aikakauskirja, Suomen Museo-Finskt Museum, Kansatieteellinen Arkisto and Iskos.