Lyd

Lyd or LYD may refer to:
 * LYD, the abbreviation for a Libyan dinar
 * PKP class Lyd2, a diesel hydraulic locomotive
 * Lyd (locomotive), a 2010-built narrow-gauge steam locomotive based on a design for the Lynton and Barnstaple Railway
 * River Lyd (disambiguation), the name of two rivers in England
 * A common diminutive of Lydia