William Elder (fl. 1680-1700), was a Scottish engraver who worked in London, where he was employed mainly by booksellers.
He engraved many portraits as frontispieces, but was expert as an engraver of writing; his engraved portraits are mostly copied from older engravings. Among these were those of:
He also engraved the plates in John Savage's edition of Richard Knolles and Paul Rycaut's History of the Turks (2 vols. London, 1701). He engraved his own portrait twice, once in a fur cap from a crayon drawing, and again in a wig.