Walter de Gray Birch (1842–1924) was an English historian, editor and author.
He is best known for his Cartularium Saxonicum — A Collection of Charters Relating to Anglo-Saxon History, which supersedes John Mitchell Kemble's Codex Diplomaticus Aevi Saxonici.
Birch worked in the British Museum Department of Manuscripts between 1864 and 1902, transcribing and cataloguing Anglo-Saxon charters.
[1] His large output includes: