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
See also
- Zai (disambiguation)
- Zey, Adıyaman, Turkey, a village
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