Demy

Demy may refer to:


 * Demy, a paper size measuring 17.5 × 22.5 in (445 × 572 mm)
 * Demy (singer) (born 1991), Greek singer
 * Demy (album), 2017
 * Demy (surname)
 * Demy (coin)
 * Demy de Vries (born 1999), Dutch fashion model
 * Demy de Zeeuw (born 1983), Dutch footballer
 * Demy, a recipient of a demyship, a scholarship at Magdalen College, Oxford