Anders Leonard Bygdén (3 March 1844 – 22 November 1929) was a Swedish historian and author.

[1][2] He was born on 3 March 1844 in Spånga, Sweden to Olof Bygdén.

[3] Bygdén enrolled at Uppsala University in 1863 and graduated with a B.A.

He founded the Swedish Literature Society [sv] with Henrik Schück in 1880.

He was made a member of the Royal Faculty of Science Society in Uppsala [sv] in 1890 and the Royal Society for the Issuance of Manuscripts Relating to Scandinavian history [sv] in 1899.