Cognomen Quastel (Quastel 
) , all over the world, is a very rare last name. The last name Quastel is habitual in Ireland, where it is a rare surname, the United Kingdom, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Quastel | Ireland, Canada, United Kingdom |
| juda hirsch quastel Canadian biochemist, CA (b. 1899) |
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jeremy quastel Canadian mathematician, CA (b. 1963) |
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| jonas quastel IL (b. 1953) |
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