Cognomen גז (Gez 
, גז ) , across the world, is quite a rare family name. The cognomen גז is habitual in Israel, where it is quite a common surname, Turkey, where it is quite a rare surname, and Argentina, where it is a rare surname. Much less frequently, גז is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gez | Turkey, Germany, Poland, Argentina, Israel |
| גז | Israel |
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מטילדה גז Israeli politician, IL (b. 1918) |
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יעקב גז Israeli naval officer, IL (b. 1952) |
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ששי גז IL (b. 1954) |
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יוסי גז IL (b. 1954) |
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יובל גז IDF military personnel, IL (b. 1978) |
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דור גז Israeli photographer, IL (b. 1980) |
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| רונית גז Israeli writer and scholar, IL (b. 1958) |
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