Last name เวนัย (Venai 
, เวนัย ) , across the world, is a rare cognomen. The surname เวนัย is characteristic of Thailand, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and India. Also, เวนัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Venai | Trinidad and Tobago, India, Thailand, United States, Nigeria |
| เวนัย | Thailand |