Zay

Zay may refer to:


 * Zay people, an ethnic group of Ethiopia
 * Zay language, a language of Ethiopia
 * Zay (name), a list of people and fictional characters with the nickname, given name or surname
 * Zay (river), Tatarstan, Russian Federation
 * Zay or Zainsk Reservoir, Tatarstan, Russian Federation
 * Arabic letter zāy ز
 * zay, ISO 639-3 code for the Zayse-Zergulla language spoken in Ethiopia