Étienne-Gabriel Peignot (15 May 1767 – 14 August 1849) was a 19th-century French bibliographer.

First a lawyer in Besançon, Gabriel Peignot was a librarian and inspector of several institutions.

He was a member of the Académie celtique of Paris, and of several literary societies.

To in-depth science books, he joined informed criticism.

This spiritual, gay, hard-working, selfless scholar composed innumerable small writings, most printed in small numbers, and much sought by curious; they dealt with spiky or little known features.Gabriel Peignot published a book, Le Livre des singularités (1841), under the pseudonym "G.P.