Gatske "Gay" van der Meer (5 June 1924 – 9 August 2014) was a Dutch numismatist, who specialised in early medieval coinage of Britain, as well as historic and contemporary medallic art. Van der Meer was awarded the Brenner Medal, and was an honorary member of the British Numismatic Society and the Svenska Numismatiska Föreningen. She was also appointed Officer in the Order of Orange Nassau and was a member of Teylers Tweede Genootschap.