Fornvännen ("Friend of the Past") is a Swedish academic journal in the fields of archaeology and Medieval art. It is published quarterly by the Royal Swedish Academy of Letters, History and Antiquities in , Sweden. The journal's contributions are written in the Scandinavian languages, English, or German with summaries in English. Fornvännen has the alternate title Journal of Swedish Antiquarian Research. The editor-in-chief is Lars Larsson.
Fornvännen began publication in 1906 when it replaced two earlier journals, Svenska Fornminnesföreningens Tidskrift and Vitterhetsakademiens Månadsblad. Early contributors included noted archaeologists Oscar Montelius and Hans Hildebrand. Since 2000 it has an online version, since 2007 its first 100 annual volumes have been available on-line, and since 2009 Fornvännen is published as a delayed open-access journal with the online version of each issue appearing six months after the paper version.
Fornvännen is an ERIH category B journal a category now known as INT2. According to Ulrich's Periodicals Directory, it is indexed in Anthropological Index Online, Anthropological Literature, British & Irish Archaeological Bibliography (Online Edition), Nordic Archaeological Abstracts, and FRANCIS. It was previously also indexed in Internationale Bibliographie der Rezensionen Geistes- und Sozialwissenschaftlicher Literatur and Linguistic Bibliography.