The Biographical Encyclopedia of Astronomers (BEA) is a two-volume biographical dictionary, first published in 2007, with a second edition released in 2014. The work covers astronomers from all regions, born anytime between antiquity and mid-1918. It includes more than 1500 biographies of both well-known and more obscure astronomers, produced by 410 contributors. The encyclopedia has been published in both a print and online format by the publisher, Springer.