Benjamin Barron Wiffen (1794–1867) was an English Quaker businessman, bibliophile and biographer of early Spanish Protestant reformers.

When Wiffen came to the Friends' meeting in Whitweek, Forster told him that Usoz had inquired after his late brother as a translator of Spanish poetry.

In late 1840 or early 1841 Wiffen made his first visit to Spain with George William Alexander, as a deputation to forward the abolitionist cause there.

[1] Correspondence between John Scoble and François-André Isambert led Wiffen to seek out the Barcelona publisher Antonio Bergnes de las Casas (1801–1879).

[5] Wiffen also passed material relating to Juan Francisco Manzano and his poetic slave narrative to Usoz, with the co-operation of Richard Robert Madden.

[1] John Martin the bibliographer, who settled at Froxfield, Bedfordshire, described Wiffen as a friend and neighbour as well as a specialist collector of books.

Eduard Böhmer printed two volumes (1874 and 1883) called Bibliotheca Wiffeniana, containing lives and writings of Spanish reformers from 1520, based on Wiffen's work.

[13] His interest in Francisco de Enzinas led to contact with Abraham Kuyper who was studying John a Lasco; it is presumed to have happened through Frederik Muller.

His Warder of the Pyrenees appeared in William Finden's Tableaux of National Character (1845), edited by his sister, Priscilla Maden Wiffen (Zillah), who had married Alaric Alexander Watts.

[1] In The Liberty Bell for 1848, he published Placido, the Cuban Poet, on Gabriel de la Concepción Valdés, known as Plácido, who was executed in 1844.