Family name Iuyt (Iuyt 
) , in the entire world, is a very rare cognomen. The family name Iuyt is habitual in New Zealand, where it is a rare surname, Malaysia, where it is an extremely rare surname, and the United Kingdom. Predominantly, Iuyt is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iuyt | United Kingdom, Malaysia, Nigeria, United States, New Zealand |