SPZ

SPZ may refer to:


 * sporadic permafrost zone, see Permafrost.
 * subparaventricular zone, a region of the hypothalamus critically involved in sleep/wake regulation
 * Silver Springs Airport, Nevada, USA - FID code SPZ
 * Springdale Municipal Airport, Arkansas, USA - IATA code SPZ
 * SPZ Group, owner of Sarm West Studios music company