William Upcott (1779–1845) was an English librarian and antiquary. His album of autographs and portraits includes: Blake, William. Holograph note and original pen-and-ink sketch, signed and dated "January 16, 1828" v. 1, p. 19; Coleridge, S.T. Holograph verse, signed and dated "Grove, Highgate 28 Sept. 1827" v. 1, p. 46; Lamb, Charles. Holograph autobiographical note, signed and dated "10th Apr. 1827" v. 1, p. 22.