Family name イ (I 
, Y 
, イ , and others...) , globally, is a widespread surname. The cognomen イ is characteristic of Indonesia, where it is quite a common surname, Venezuela, and Myanmar (explore the name in all countries). Measured by absolute frequency, it is commonest in China, Indonesia, and India. More frequently, イ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| I | Japan, China, Indonesia, Canada, India |
| Y | Netherlands, China, Indonesia, Canada, India |
| イ | Japan |
| Mirim | Indonesia, Canada, United States, India, Venezuela |
| Orléans | France, New Zealand, Spain |