Anders Leonard Bygdén (3 March 1844 – 22 November 1929) was a Swedish historian and author. He founded the Swedish Literature Society [sv] in 1880.^[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. in 1870 and Ph.D. in 1872.^[3] The university then hired him as an associate professor of philosophy. 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. He published Hernösands Stifts Herdaminne [Wikidata] from 1923 to 1928. He died on 22 November 1929 in Uppsala, Sweden.^[1][4]

• Förteckning över Norrlands nations i Uppsala bibliotek (1876)
• Uppsala universitets biblioteks accessionskatalog (1881)
• Svenskt anonym- och pseudonymlexikon (1898–1915)
• Hernösands stifts herdaminne (1923–1928)