Cognomen Quirt (Quirt 
) , all over the world, is a rare last name. The family name Quirt is habitual in Canada, where it is a rare surname, New Zealand, and the United States, where it is a very rare surname. Much less frequently, Quirt is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Quirt | Philippines, United Kingdom, Canada, New Zealand, United States |
| walter quirt American painter, US (b. 1902) |
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| g. stewart quirt researcher |
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| hannah quirt researcher |
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