Family name Žilys (Žilys 
) , in the world, is a very rare cognomen. The cognomen Žilys is habitual in Northern Europe, particularly Lithuania, where it is quite a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Žilys | Lithuania, United Kingdom |
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vincas žilys General of the Lithuanian Army (b. 1898) |
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| stasys žilys LT (b. 1924) |
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| gintas žilys Lithuanian theater director (1941-2012), LT (b. 1941) |
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| juozas žilys Lithuanian jurist, LT (b. 1942) |
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| aloyzas žilys Lithuanian composer, LT (b. 1951) |
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